123113210012311 has 4 divisors (see below), whose sum is σ = 123793393493224. Its totient is φ = 122433026531400.

The previous prime is 123113210012239. The next prime is 123113210012381. The reversal of 123113210012311 is 113210012311321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123113210012311 - 2²³ = 123113201623703 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 (123113210012381) 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, 340091740185 + ... + 340091740546.

It is an arithmetic number, because the mean of its divisors is an integer number (30948348373306).

Almost surely, 2^{123113210012311} is an apocalyptic number.

123113210012311 is a deficient number, since it is larger than the sum of its proper divisors (680183480913).

123113210012311 is an equidigital number, since it uses as much as digits as its factorization.

123113210012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680183480912.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 123113210012311 its reverse (113210012311321), we get a palindrome (236323222323632).

The spelling of 123113210012311 in words is "one hundred twenty-three trillion, one hundred thirteen billion, two hundred ten million, twelve thousand, three hundred eleven".