23165163 has 48 divisors (see below), whose sum is σ = 41495040. Its totient is φ = 12488256.

The previous prime is 23165137. The next prime is 23165167. The reversal of 23165163 is 36156132.

23165163 = T₇ + T₈ + ... + T₅₁₇.

23165163 is a `hidden beast` number, since 2 + 3 + 1 + 651 + 6 + 3 = 666.

It is not a de Polignac number, because 23165163 - 2⁸ = 23164907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23165167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 317295 + ... + 317367.

It is an arithmetic number, because the mean of its divisors is an integer number (864480).

Almost surely, 2^23165163 is an apocalyptic number.

23165163 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23165163 is a deficient number, since it is larger than the sum of its proper divisors (18329877).

23165163 is an equidigital number, since it uses as much as digits as its factorization.

23165163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 106 counting only the distinct ones).

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

The square root of 23165163 is about 4813.0201537081. The cubic root of 23165163 is about 285.0658019807.

The spelling of 23165163 in words is "twenty-three million, one hundred sixty-five thousand, one hundred sixty-three".