23304681 has 12 divisors (see below), whose sum is σ = 35126208. Its totient is φ = 14860824.

The previous prime is 23304679. The next prime is 23304689. The reversal of 23304681 is 18640332.

It is a happy number.

It is not a de Polignac number, because 23304681 - 2¹ = 23304679 is a prime.

It is a super-2 number, since 2×23304681² = 1086216313023522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23304689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56085 + ... + 56498.

It is an arithmetic number, because the mean of its divisors is an integer number (2927184).

Almost surely, 2^23304681 is an apocalyptic number.

It is an amenable number.

23304681 is a deficient number, since it is larger than the sum of its proper divisors (11821527).

23304681 is a wasteful number, since it uses less digits than its factorization.

23304681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112612 (or 112609 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 23304681 is about 4827.4922061045. The cubic root of 23304681 is about 285.6369502954.

It can be divided in two parts, 23 and 304681, that added together give a square (304704 = 552²).

The spelling of 23304681 in words is "twenty-three million, three hundred four thousand, six hundred eighty-one".