23311323313 has 2 divisors, whose sum is σ = 23311323314. Its totient is φ = 23311323312.

The previous prime is 23311323293. The next prime is 23311323349. The reversal of 23311323313 is 31332311332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12836210209 + 10475113104 = 113297^2 + 102348^2 .

It is a cyclic number.

It is not a de Polignac number, because 23311323313 - 2²⁵ = 23277768881 is a prime.

It is not a weakly prime, because it can be changed into another prime (23311323613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655661656 + 11655661657.

It is an arithmetic number, because the mean of its divisors is an integer number (11655661657).

Almost surely, 2^23311323313 is an apocalyptic number.

It is an amenable number.

23311323313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311323313 is an equidigital number, since it uses as much as digits as its factorization.

23311323313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 25.

Adding to 23311323313 its reverse (31332311332), we get a palindrome (54643634645).

The spelling of 23311323313 in words is "twenty-three billion, three hundred eleven million, three hundred twenty-three thousand, three hundred thirteen".