23915265 has 16 divisors (see below), whose sum is σ = 41743296. Its totient is φ = 11595200.

The previous prime is 23915257. The next prime is 23915293. The reversal of 23915265 is 56251932.

It is not a de Polignac number, because 23915265 - 2³ = 23915257 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72306 + ... + 72635.

It is an arithmetic number, because the mean of its divisors is an integer number (2608956).

Almost surely, 2^23915265 is an apocalyptic number.

It is an amenable number.

23915265 is a deficient number, since it is larger than the sum of its proper divisors (17828031).

23915265 is a wasteful number, since it uses less digits than its factorization.

23915265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144960.

The product of its digits is 16200, while the sum is 33.

The square root of 23915265 is about 4890.3236089241. The cubic root of 23915265 is about 288.1100442702.

The spelling of 23915265 in words is "twenty-three million, nine hundred fifteen thousand, two hundred sixty-five".