23128164 has 36 divisors (see below), whose sum is σ = 58828224. Its totient is φ = 7661232.

The previous prime is 23128159. The next prime is 23128169. The reversal of 23128164 is 46182132.

It is an interprime number because it is at equal distance from previous prime (23128159) and next prime (23128169).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (23128169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4089 + ... + 7935.

Almost surely, 2^23128164 is an apocalyptic number.

It is an amenable number.

23128164 is an abundant number, since it is smaller than the sum of its proper divisors (35700060).

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

23128164 is a wasteful number, since it uses less digits than its factorization.

23128164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024 (or 4019 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 23128164 is about 4809.1749812208. The cubic root of 23128164 is about 284.9139537099.

The spelling of 23128164 in words is "twenty-three million, one hundred twenty-eight thousand, one hundred sixty-four".