Step 1: Divide the number into separate digits:
23295 => 2 3 2 9 5
Step 2: Calculate the distance between each digit and the next (the last digit with the first):
2 to 3 = 1
3 to 2 = 1
2 to 9 = 7
9 to 5 = 4
5 to 2 = 3
Step 3: Combine the filters to a string:
1 1 7 4 3 = 11743