23995856 has 20 divisors (see below), whose sum is σ = 47370852. Its totient is φ = 11771136.

The previous prime is 23995837. The next prime is 23995859. The reversal of 23995856 is 65859932.

It can be written as a sum of positive squares in 2 ways, for example, as 9096256 + 14899600 = 3016^2 + 3860^2 .

It is a super-2 number, since 2×23995856² = 1151602210345472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23995856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23995859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13301 + ... + 14996.

Almost surely, 2^23995856 is an apocalyptic number.

It is an amenable number.

23995856 is a deficient number, since it is larger than the sum of its proper divisors (23374996).

23995856 is a wasteful number, since it uses less digits than its factorization.

23995856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28358 (or 28352 counting only the distinct ones).

The product of its digits is 583200, while the sum is 47.

The square root of 23995856 is about 4898.5565220787. The cubic root of 23995856 is about 288.4333112108.

The spelling of 23995856 in words is "twenty-three million, nine hundred ninety-five thousand, eight hundred fifty-six".