23306131 has 2 divisors, whose sum is σ = 23306132. Its totient is φ = 23306130.

The previous prime is 23306123. The next prime is 23306149. The reversal of 23306131 is 13160332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23306131 - 2³ = 23306123 is a prime.

It is a super-2 number, since 2×23306131² = 1086351484378322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23306099 and 23306108.

It is not a weakly prime, because it can be changed into another prime (23306191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11653065 + 11653066.

It is an arithmetic number, because the mean of its divisors is an integer number (11653066).

Almost surely, 2^23306131 is an apocalyptic number.

23306131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23306131 is an equidigital number, since it uses as much as digits as its factorization.

23306131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 23306131 is about 4827.6423852643. The cubic root of 23306131 is about 285.6428742124.

Adding to 23306131 its reverse (13160332), we get a palindrome (36466463).

The spelling of 23306131 in words is "twenty-three million, three hundred six thousand, one hundred thirty-one".