393823 divided by 3 
We're looking to find how many times 3 goes into 393823.

Advancing to step 1:
3 goes into 3 1 times with a remainder of 0.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Deduct 3 from 3 and we're left with 0.
Fetch the next digit (9) from the dividend, attach it to 0 and continue: 9 / 3

Step 2:
9 divided by 3 is 3 with a remainder of 0.
Put 3 as the next digit of the answer. 
Result so far: 13.0
If we take 9 away from 9, we end up with 0.
Grab the next digit (3) from the dividend, add it to 0, then carry on: 3 / 3

On to step 3:
The number 3 fits into 3 1 times, leaving a remainder of 0.
Record the quotient 1 as the next digit in the result. 
Result so far: 131.0
If we take 3 away from 3, we end up with 0.
Bring next digit (8) of the dividend behind the 0 and repeat the process: 8 / 3

Going ahead to step 4:
When dividing 8 by 3, we get 2 with a remainder of 2.
The next digit of our result is 2. 
Result so far: 1312.0
The remainder is 2 after subtracting 6 from 8.
Append the next digit (2) from the dividend to 2 and continue with: 22 / 3

Moving on to step 5:
If we divide 22 by 3, we get 7 and a remainder of 1.
Put 7 as the next digit of the answer. 
Result so far: 13127.0
Subtracting 21 from 22 leaves us with 1.
Include the next digit (3) from the dividend after 1, then repeat: 13 / 3

Advancing to step 6:
When dividing 13 by 3, we get 4 with a remainder of 1.
Record the quotient 4 as the next digit in the result. 
Result so far: 131274.0
Subtract 12 from 13 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Step 7:
The number 3 fits into 10 3 times, leaving a remainder of 1.
Put 3 as the next digit of the answer. 
Result so far: 131274.3
Deduct 9 from 10 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Moving on to step 8:
10 divided by 3 is 3 with a remainder of 1.
Use 3 as the next digit of our solution. 
Result so far: 131274.33
Subtracting 9 from 10 leaves us with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

The quotient of the division is 131274.33, and the remainder is 0.001.