23158994 has 16 divisors (see below), whose sum is σ = 36115200. Its totient is φ = 11124624.

The previous prime is 23158987. The next prime is 23159009. The reversal of 23158994 is 49985132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12287 + ... + 14045.

It is an arithmetic number, because the mean of its divisors is an integer number (2257200).

Almost surely, 2^23158994 is an apocalyptic number.

23158994 is a deficient number, since it is larger than the sum of its proper divisors (12956206).

23158994 is a wasteful number, since it uses less digits than its factorization.

23158994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017.

The product of its digits is 77760, while the sum is 41.

The square root of 23158994 is about 4812.3792452383. The cubic root of 23158994 is about 285.0404949128.

The spelling of 23158994 in words is "twenty-three million, one hundred fifty-eight thousand, nine hundred ninety-four".