23156163 has 12 divisors (see below), whose sum is σ = 34527168. Its totient is φ = 14939280.

The previous prime is 23156141. The next prime is 23156173. The reversal of 23156163 is 36165132.

It is not a de Polignac number, because 23156163 - 2⁶ = 23156099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23156113) 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, 41220 + ... + 41777.

It is an arithmetic number, because the mean of its divisors is an integer number (2877264).

Almost surely, 2^23156163 is an apocalyptic number.

23156163 is a deficient number, since it is larger than the sum of its proper divisors (11371005).

23156163 is a wasteful number, since it uses less digits than its factorization.

23156163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83034 (or 83031 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 23156163 is about 4812.0850989981. The cubic root of 23156163 is about 285.0288798066.

The spelling of 23156163 in words is "twenty-three million, one hundred fifty-six thousand, one hundred sixty-three".