23518964 has 12 divisors (see below), whose sum is σ = 47037984. Its totient is φ = 10079544.

The previous prime is 23518907. The next prime is 23518967. The reversal of 23518964 is 46981532.

It is a happy number.

23518964 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23518967) 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, 419954 + ... + 420009.

It is an arithmetic number, because the mean of its divisors is an integer number (3919832).

Almost surely, 2^23518964 is an apocalyptic number.

It is an amenable number.

23518964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23518964 is a wasteful number, since it uses less digits than its factorization.

23518964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839974 (or 839972 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 23518964 is about 4849.6354502169. The cubic root of 23518964 is about 286.5097434521.

The spelling of 23518964 in words is "twenty-three million, five hundred eighteen thousand, nine hundred sixty-four".