23956736 has 18 divisors (see below), whose sum is σ = 47820402. Its totient is φ = 11978240.

The previous prime is 23956733. The next prime is 23956741. The reversal of 23956736 is 63765932.

It can be written as a sum of positive squares in only one way, i.e., 19360000 + 4596736 = 4400^2 + 2144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23956693 and 23956702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23956733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46535 + ... + 47046.

It is an arithmetic number, because the mean of its divisors is an integer number (2656689).

Almost surely, 2^23956736 is an apocalyptic number.

It is an amenable number.

23956736 is a deficient number, since it is larger than the sum of its proper divisors (23863666).

23956736 is an frugal number, since it uses more digits than its factorization.

23956736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93597 (or 93583 counting only the distinct ones).

The product of its digits is 204120, while the sum is 41.

The square root of 23956736 is about 4894.5618802912. The cubic root of 23956736 is about 288.2764834588.

The spelling of 23956736 in words is "twenty-three million, nine hundred fifty-six thousand, seven hundred thirty-six".