23664302131 has 2 divisors, whose sum is σ = 23664302132. Its totient is φ = 23664302130.

The previous prime is 23664302089. The next prime is 23664302149. The reversal of 23664302131 is 13120346632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23664302131 - 2¹⁹ = 23663777843 is a prime.

It is a super-2 number, since 2×23664302131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23664302093 and 23664302102.

It is not a weakly prime, because it can be changed into another prime (23664302171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11832151065 + 11832151066.

It is an arithmetic number, because the mean of its divisors is an integer number (11832151066).

Almost surely, 2^23664302131 is an apocalyptic number.

23664302131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23664302131 is an equidigital number, since it uses as much as digits as its factorization.

23664302131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 23664302131 its reverse (13120346632), we get a palindrome (36784648763).

The spelling of 23664302131 in words is "twenty-three billion, six hundred sixty-four million, three hundred two thousand, one hundred thirty-one".