69643057 divided by 123 
Let's see how many times 123 fits into 69643057.

Step 1:
The number 123 fits into 6 0 times, leaving a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Fetch the next digit (9) from the dividend, attach it to 6 and continue: 69 / 123

Step 2:
The number 123 fits into 69 0 times, leaving a remainder of 69.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 69 to get 69.
Bring next digit (6) of the dividend behind the 69 and repeat the process: 696 / 123

Going ahead to step 3:
If we divide 696 by 123, we get 5 and a remainder of 81.
Write down 5 as next digit of the result. 
Result so far: 5.0
If we take 615 away from 696, we end up with 81.
Append the next digit (4) from the dividend to 81 and continue with: 814 / 123

Step 4:
123 can be fit into 814 6 times, resulting in a remainder of 76.
Record the quotient 6 as the next digit in the result. 
Result so far: 56.0
If we subtract 738 from 814, we get 76.
Grab the next digit (3) from the dividend, add it to 76, then carry on: 763 / 123

Moving on to step 5:
The number 123 fits into 763 6 times, leaving a remainder of 25.
Write down 6 as next digit of the result. 
Result so far: 566.0
Subtracting 738 from 763 leaves us with 25.
Bring next digit (0) of the dividend behind the 25 and repeat the process: 250 / 123

Let's proceed to step 6:
If we divide 250 by 123, we get 2 and a remainder of 4.
Put 2 as the next digit of the answer. 
Result so far: 5662.0
Subtracting 246 from 250 leaves us with 4.
Append the next digit (5) from the dividend to 4 and continue with: 45 / 123

Advancing to step 7:
123 can be fit into 45 0 times, resulting in a remainder of 45.
Put 0 as the next digit of the answer. 
Result so far: 56620.0
Deduct 0 from 45 and we're left with 45.
Bring next digit (7) of the dividend behind the 45 and repeat the process: 457 / 123

Going ahead to step 8:
When dividing 457 by 123, we get 3 with a remainder of 88.
The number 3 becomes the next digit in our result. 
Result so far: 566203.0
If we subtract 369 from 457, we get 88.
Since there are no more digits in the dividend, we add a zero to the remainder making it 880, and continue the process.

Moving on to step 9:
If we divide 880 by 123, we get 7 and a remainder of 19.
Put 7 as the next digit of the answer. 
Result so far: 566203.7
Subtract 861 from 880 to get 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

On to step 10:
If we divide 190 by 123, we get 1 and a remainder of 67.
Write down 1 as next digit of the result. 
Result so far: 566203.71
If we take 123 away from 190, we end up with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Step 11:
When dividing 670 by 123, we get 5 with a remainder of 55.
Use 5 as the next digit of our solution. 
Result so far: 566203.715
If we take 615 away from 670, we end up with 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

On to step 12:
If we divide 550 by 123, we get 4 and a remainder of 58.
The number 4 becomes the next digit in our result. 
Result so far: 566203.7154
If we subtract 492 from 550, we get 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

On to step 13:
The number 123 fits into 580 4 times, leaving a remainder of 88.
The number 4 becomes the next digit in our result. 
Result so far: 566203.71544
If we subtract 492 from 580, we get 88.
Since there are no more digits in the dividend, we add a zero to the remainder making it 880, and continue the process.

The final outcome is 566203.71544, with a leftover of 8.8e-05.