23313312332591 has 2 divisors, whose sum is σ = 23313312332592. Its totient is φ = 23313312332590.

The previous prime is 23313312332581. The next prime is 23313312332671. The reversal of 23313312332591 is 19523321331332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23313312332591 - 2¹⁴ = 23313312316207 is a prime.

It is a super-2 number, since 2×23313312332591² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23313312332551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656656166295 + 11656656166296.

It is an arithmetic number, because the mean of its divisors is an integer number (11656656166296).

Almost surely, 2^{23313312332591} is an apocalyptic number.

23313312332591 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313312332591 is an equidigital number, since it uses as much as digits as its factorization.

23313312332591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262440, while the sum is 41.

The spelling of 23313312332591 in words is "twenty-three trillion, three hundred thirteen billion, three hundred twelve million, three hundred thirty-two thousand, five hundred ninety-one".