23164015 has 12 divisors (see below), whose sum is σ = 32335416. Its totient is φ = 15883728.

The previous prime is 23163991. The next prime is 23164019. The reversal of 23164015 is 51046132.

It is not a de Polignac number, because 23164015 - 2¹³ = 23155823 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 (23164019) 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, 47029 + ... + 47518.

It is an arithmetic number, because the mean of its divisors is an integer number (2694618).

Almost surely, 2^23164015 is an apocalyptic number.

23164015 is a deficient number, since it is larger than the sum of its proper divisors (9171401).

23164015 is an equidigital number, since it uses as much as digits as its factorization.

23164015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94566 (or 94559 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 23164015 is about 4812.9008923933. The cubic root of 23164015 is about 285.0610928845.

It can be divided in two parts, 231 and 64015, that added together give a palindrome (64246).

The spelling of 23164015 in words is "twenty-three million, one hundred sixty-four thousand, fifteen".