23565465 has 64 divisors (see below), whose sum is σ = 52254720. Its totient is φ = 9789120.

The previous prime is 23565449. The next prime is 23565467. The reversal of 23565465 is 56456532.

It is a happy number.

It is not a de Polignac number, because 23565465 - 2⁴ = 23565449 is a prime.

It is a super-2 number, since 2×23565465² = 1110662281332450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23565467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9262 + ... + 11528.

It is an arithmetic number, because the mean of its divisors is an integer number (816480).

Almost surely, 2^23565465 is an apocalyptic number.

It is an amenable number.

23565465 is an abundant number, since it is smaller than the sum of its proper divisors (28689255).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23565465 is a wasteful number, since it uses less digits than its factorization.

23565465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299 (or 2293 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 23565465 is about 4854.4273606678. The cubic root of 23565465 is about 286.6984453383.

The spelling of 23565465 in words is "twenty-three million, five hundred sixty-five thousand, four hundred sixty-five".