23716872 has 24 divisors (see below), whose sum is σ = 64233390. Its totient is φ = 7905600.

The previous prime is 23716859. The next prime is 23716873. The reversal of 23716872 is 27861732.

It can be written as a sum of positive squares in only one way, i.e., 21958596 + 1758276 = 4686^2 + 1326^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23716873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164629 + ... + 164772.

Almost surely, 2^23716872 is an apocalyptic number.

It is an amenable number.

23716872 is an abundant number, since it is smaller than the sum of its proper divisors (40516518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23716872 is a wasteful number, since it uses less digits than its factorization.

23716872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329413 (or 329406 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 23716872 is about 4869.9971252558. The cubic root of 23716872 is about 287.3111430129.

The spelling of 23716872 in words is "twenty-three million, seven hundred sixteen thousand, eight hundred seventy-two".