123321013113011 has 4 divisors (see below), whose sum is σ = 140938300700592. Its totient is φ = 105703725525432.

The previous prime is 123321013112989. The next prime is 123321013113029. The reversal of 123321013113011 is 110311310123321.

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 123321013113011 - 2¹⁴ = 123321013096627 is a prime.

It is a super-2 number, since 2×123321013113011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123321013113091) 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, 8808643793780 + ... + 8808643793793.

It is an arithmetic number, because the mean of its divisors is an integer number (35234575175148).

Almost surely, 2^{123321013113011} is an apocalyptic number.

123321013113011 is a deficient number, since it is larger than the sum of its proper divisors (17617287587581).

123321013113011 is an equidigital number, since it uses as much as digits as its factorization.

123321013113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17617287587580.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 123321013113011 its reverse (110311310123321), we get a palindrome (233632323236332).

The spelling of 123321013113011 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, thirteen million, one hundred thirteen thousand, eleven".