123231202311313 has 4 divisors (see below), whose sum is σ = 129717055064560. Its totient is φ = 116745349558068.

The previous prime is 123231202311311. The next prime is 123231202311337. The reversal of 123231202311313 is 313113202132321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123231202311313 - 2¹ = 123231202311311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123231202311311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3242926376595 + ... + 3242926376632.

It is an arithmetic number, because the mean of its divisors is an integer number (32429263766140).

Almost surely, 2^{123231202311313} is an apocalyptic number.

It is an amenable number.

123231202311313 is a deficient number, since it is larger than the sum of its proper divisors (6485852753247).

123231202311313 is an equidigital number, since it uses as much as digits as its factorization.

123231202311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485852753246.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 123231202311313 its reverse (313113202132321), we get a palindrome (436344404443634).

The spelling of 123231202311313 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, two hundred two million, three hundred eleven thousand, three hundred thirteen".