23164518 has 16 divisors (see below), whose sum is σ = 49892976. Its totient is φ = 7127520.

The previous prime is 23164507. The next prime is 23164529. The reversal of 23164518 is 81546132.

It is an interprime number because it is at equal distance from previous prime (23164507) and next prime (23164529).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148413 + ... + 148568.

It is an arithmetic number, because the mean of its divisors is an integer number (3118311).

Almost surely, 2^23164518 is an apocalyptic number.

23164518 is an abundant number, since it is smaller than the sum of its proper divisors (26728458).

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

23164518 is a wasteful number, since it uses less digits than its factorization.

23164518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296999.

The product of its digits is 5760, while the sum is 30.

The square root of 23164518 is about 4812.9531474969. The cubic root of 23164518 is about 285.0631562097.

The spelling of 23164518 in words is "twenty-three million, one hundred sixty-four thousand, five hundred eighteen".