23158065 has 16 divisors (see below), whose sum is σ = 42346368. Its totient is φ = 10586496.

The previous prime is 23158039. The next prime is 23158087. The reversal of 23158065 is 56085132.

It is not a de Polignac number, because 23158065 - 2⁶ = 23158001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110172 + ... + 110381.

It is an arithmetic number, because the mean of its divisors is an integer number (2646648).

Almost surely, 2^23158065 is an apocalyptic number.

It is an amenable number.

23158065 is a deficient number, since it is larger than the sum of its proper divisors (19188303).

23158065 is a wasteful number, since it uses less digits than its factorization.

23158065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220568.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 23158065 is about 4812.2827223678. The cubic root of 23158065 is about 285.0366834899.

The spelling of 23158065 in words is "twenty-three million, one hundred fifty-eight thousand, sixty-five".