23237964 has 18 divisors (see below), whose sum is σ = 58740500. Its totient is φ = 7745976.

The previous prime is 23237957. The next prime is 23237971. The reversal of 23237964 is 46973232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23237957) and next prime (23237971).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 645499 = 23237964 / (2 + 3 + 2 + 3 + 7 + 9 + 6 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322714 + ... + 322785.

Almost surely, 2^23237964 is an apocalyptic number.

It is an amenable number.

23237964 is an abundant number, since it is smaller than the sum of its proper divisors (35502536).

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

23237964 is a wasteful number, since it uses less digits than its factorization.

23237964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645509 (or 645504 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 23237964 is about 4820.5771438698. The cubic root of 23237964 is about 285.3641144819.

The spelling of 23237964 in words is "twenty-three million, two hundred thirty-seven thousand, nine hundred sixty-four".