23312311211213 has 6 divisors (see below), whose sum is σ = 24764289072426. Its totient is φ = 21940998786752.

The previous prime is 23312311211207. The next prime is 23312311211237. The reversal of 23312311211213 is 31211211321332.

It can be written as a sum of positive squares in 3 ways, for example, as 11483402906089 + 11828908305124 = 3388717^2 + 3439318^2 .

It is not a de Polignac number, because 23312311211213 - 2¹⁶ = 23312311145677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312311511213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40332718070 + ... + 40332718647.

It is an arithmetic number, because the mean of its divisors is an integer number (4127381512071).

Almost surely, 2^{23312311211213} is an apocalyptic number.

It is an amenable number.

23312311211213 is a deficient number, since it is larger than the sum of its proper divisors (1451977861213).

23312311211213 is an equidigital number, since it uses as much as digits as its factorization.

23312311211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80665436751 (or 80665436734 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

Adding to 23312311211213 its reverse (31211211321332), we get a palindrome (54523522532545).

The spelling of 23312311211213 in words is "twenty-three trillion, three hundred twelve billion, three hundred eleven million, two hundred eleven thousand, two hundred thirteen".