23993265 has 16 divisors (see below), whose sum is σ = 39207168. Its totient is φ = 12523776.

The previous prime is 23993261. The next prime is 23993267. The reversal of 23993265 is 56239932.

It is not a de Polignac number, because 23993265 - 2² = 23993261 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23993261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16312 + ... + 17721.

It is an arithmetic number, because the mean of its divisors is an integer number (2450448).

Almost surely, 2^23993265 is an apocalyptic number.

It is an amenable number.

23993265 is a deficient number, since it is larger than the sum of its proper divisors (15213903).

23993265 is a wasteful number, since it uses less digits than its factorization.

23993265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34088.

The product of its digits is 87480, while the sum is 39.

The square root of 23993265 is about 4898.2920492760. The cubic root of 23993265 is about 288.4229294514.

The spelling of 23993265 in words is "twenty-three million, nine hundred ninety-three thousand, two hundred sixty-five".