630639 ÷ 23 
The aim is to understand the frequency of 23 in 630639.

Step 1:
The number 23 fits into 6 0 times, leaving a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Take the next digit (3) from the dividend and append it to 6, then repeat: 63 / 23

Let's proceed to step 2:
When dividing 63 by 23, we get 2 with a remainder of 17.
The next digit of our result is 2. 
Result so far: 2.0
If we subtract 46 from 63, we get 17.
Bring next digit (0) of the dividend behind the 17 and repeat the process: 170 / 23

Advancing to step 3:
170 divided by 23 is 7 with a remainder of 9.
Record the quotient 7 as the next digit in the result. 
Result so far: 27.0
Deduct 161 from 170 and we're left with 9.
Bring next digit (6) of the dividend behind the 9 and repeat the process: 96 / 23

Let's proceed to step 4:
If we divide 96 by 23, we get 4 and a remainder of 4.
The next digit of our result is 4. 
Result so far: 274.0
Deduct 92 from 96 and we're left with 4.
Take the next digit (3) from the dividend and append it to 4, then repeat: 43 / 23

Step 5:
The number 23 fits into 43 1 times, leaving a remainder of 20.
The next digit of our result is 1. 
Result so far: 2741.0
The remainder is 20 after subtracting 23 from 43.
Fetch the next digit (9) from the dividend, attach it to 20 and continue: 209 / 23

Let's proceed to step 6:
If we divide 209 by 23, we get 9 and a remainder of 2.
The next digit of our result is 9. 
Result so far: 27419.0
If we subtract 207 from 209, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 7:
23 goes into 20 0 times with a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 27419.0
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 8:
23 goes into 200 8 times with a remainder of 16.
The number 8 becomes the next digit in our result. 
Result so far: 27419.08
Subtract 184 from 200 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Advancing to step 9:
If we divide 160 by 23, we get 6 and a remainder of 22.
Put 6 as the next digit of the answer. 
Result so far: 27419.086
Subtracting 138 from 160 leaves us with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Moving on to step 10:
If we divide 220 by 23, we get 9 and a remainder of 13.
The next digit of our result is 9. 
Result so far: 27419.0869
Subtracting 207 from 220 leaves us with 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Going ahead to step 11:
When dividing 130 by 23, we get 5 with a remainder of 15.
The next digit of our result is 5. 
Result so far: 27419.08695
Deduct 115 from 130 and we're left with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 12:
The number 23 fits into 150 6 times, leaving a remainder of 12.
Write down 6 as next digit of the result. 
Result so far: 27419.086956
Deduct 138 from 150 and we're left with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 13:
The number 23 fits into 120 5 times, leaving a remainder of 5.
Put 5 as the next digit of the answer. 
Result so far: 27419.0869565
Subtracting 115 from 120 leaves us with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Step 14:
23 can be fit into 50 2 times, resulting in a remainder of 4.
Write down 2 as next digit of the result. 
Result so far: 27419.08695652
Deduct 46 from 50 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

The quotient of the division is 27419.08695652, and the remainder is 4e-09.