23265560 has 16 divisors (see below), whose sum is σ = 52347600. Its totient is φ = 9306208.

The previous prime is 23265553. The next prime is 23265577. The reversal of 23265560 is 6556232.

It is a happy number.

It is a super-2 number, since 2×23265560² = 1082572564227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290780 + ... + 290859.

It is an arithmetic number, because the mean of its divisors is an integer number (3271725).

Almost surely, 2^23265560 is an apocalyptic number.

23265560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23265560 is an abundant number, since it is smaller than the sum of its proper divisors (29082040).

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

23265560 is a wasteful number, since it uses less digits than its factorization.

23265560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581650 (or 581646 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 23265560 is about 4823.4386074667. The cubic root of 23265560 is about 285.4770301817.

The spelling of 23265560 in words is "twenty-three million, two hundred sixty-five thousand, five hundred sixty".