23158927 has 4 divisors (see below), whose sum is σ = 25264296. Its totient is φ = 21053560.

The previous prime is 23158873. The next prime is 23158943. The reversal of 23158927 is 72985132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23158927 - 2⁷ = 23158799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23158987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052668 + ... + 1052689.

It is an arithmetic number, because the mean of its divisors is an integer number (6316074).

Almost surely, 2^23158927 is an apocalyptic number.

23158927 is a deficient number, since it is larger than the sum of its proper divisors (2105369).

23158927 is a wasteful number, since it uses less digits than its factorization.

23158927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105368.

The product of its digits is 30240, while the sum is 37.

The square root of 23158927 is about 4812.3722840196. The cubic root of 23158927 is about 285.0402200342.

The spelling of 23158927 in words is "twenty-three million, one hundred fifty-eight thousand, nine hundred twenty-seven".