23205161 ÷ 900 
We want to divide 23205161 by 900.

On to step 1:
2 divided by 900 is 0 with a remainder of 2.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Fetch the next digit (3) from the dividend, attach it to 2 and continue: 23 / 900

On to step 2:
900 can be fit into 23 0 times, resulting in a remainder of 23.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 23, we end up with 23.
Take the next digit (2) from the dividend and append it to 23, then repeat: 232 / 900

Step 3:
If we divide 232 by 900, we get 0 and a remainder of 232.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 232 leaves us with 232.
Append the next digit (0) from the dividend to 232 and continue with: 2320 / 900

Step 4:
The number 900 fits into 2320 2 times, leaving a remainder of 520.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
If we take 1800 away from 2320, we end up with 520.
Bring next digit (5) of the dividend behind the 520 and repeat the process: 5205 / 900

On to step 5:
900 can be fit into 5205 5 times, resulting in a remainder of 705.
Use 5 as the next digit of our solution. 
Result so far: 25.0
If we subtract 4500 from 5205, we get 705.
Append the next digit (1) from the dividend to 705 and continue with: 7051 / 900

Advancing to step 6:
900 goes into 7051 7 times with a remainder of 751.
The next digit of our result is 7. 
Result so far: 257.0
Deduct 6300 from 7051 and we're left with 751.
Include the next digit (6) from the dividend after 751, then repeat: 7516 / 900

Going ahead to step 7:
When dividing 7516 by 900, we get 8 with a remainder of 316.
The number 8 becomes the next digit in our result. 
Result so far: 2578.0
Deduct 7200 from 7516 and we're left with 316.
Include the next digit (1) from the dividend after 316, then repeat: 3161 / 900

Moving on to step 8:
900 can be fit into 3161 3 times, resulting in a remainder of 461.
The number 3 becomes the next digit in our result. 
Result so far: 25783.0
If we take 2700 away from 3161, we end up with 461.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4610, and continue the process.

Let's proceed to step 9:
900 goes into 4610 5 times with a remainder of 110.
Write down 5 as next digit of the result. 
Result so far: 25783.5
If we subtract 4500 from 4610, we get 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Let's proceed to step 10:
If we divide 1100 by 900, we get 1 and a remainder of 200.
The next digit of our result is 1. 
Result so far: 25783.51
Subtracting 900 from 1100 leaves us with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Step 11:
If we divide 2000 by 900, we get 2 and a remainder of 200.
The number 2 becomes the next digit in our result. 
Result so far: 25783.512
If we take 1800 away from 2000, we end up with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Going ahead to step 12:
When dividing 2000 by 900, we get 2 with a remainder of 200.
Use 2 as the next digit of our solution. 
Result so far: 25783.5122
If we subtract 1800 from 2000, we get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

After the division, we end up with 25783.5122 and a remainder of 0.002.