23304560 has 40 divisors (see below), whose sum is σ = 55936896. Its totient is φ = 9020160.

The previous prime is 23304553. The next prime is 23304571. The reversal of 23304560 is 6540332.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2219 + ... + 7178.

Almost surely, 2^23304560 is an apocalyptic number.

23304560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23304560 is an abundant number, since it is smaller than the sum of its proper divisors (32632336).

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

23304560 is a wasteful number, since it uses less digits than its factorization.

23304560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9441 (or 9435 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 23304560 is about 4827.4796737014. The cubic root of 23304560 is about 285.6364559436.

Adding to 23304560 its reverse (6540332), we get a palindrome (29844892).

The spelling of 23304560 in words is "twenty-three million, three hundred four thousand, five hundred sixty".