23304131 has 4 divisors (see below), whose sum is σ = 23599200. Its totient is φ = 23009064.

The previous prime is 23304109. The next prime is 23304137. The reversal of 23304131 is 13140332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23304131 - 2⁶ = 23304067 is a prime.

It is a super-2 number, since 2×23304131² = 1086165043330322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23304137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147416 + ... + 147573.

It is an arithmetic number, because the mean of its divisors is an integer number (5899800).

Almost surely, 2^23304131 is an apocalyptic number.

23304131 is a deficient number, since it is larger than the sum of its proper divisors (295069).

23304131 is an equidigital number, since it uses as much as digits as its factorization.

23304131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295068.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 23304131 is about 4827.4352403735. The cubic root of 23304131 is about 285.6347032281.

Adding to 23304131 its reverse (13140332), we get a palindrome (36444463).

The spelling of 23304131 in words is "twenty-three million, three hundred four thousand, one hundred thirty-one".