123131102111333 has 16 divisors (see below), whose sum is σ = 131130836153856. Its totient is φ = 115216814768640.

The previous prime is 123131102111323. The next prime is 123131102111371. The reversal of 123131102111333 is 333111201131321.

It is a cyclic number.

It is not a de Polignac number, because 123131102111333 - 2¹⁶ = 123131102045797 is a prime.

It is a super-2 number, since 2×123131102111333² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123131102111323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18455291 + ... + 24225192.

It is an arithmetic number, because the mean of its divisors is an integer number (8195677259616).

Almost surely, 2^{123131102111333} is an apocalyptic number.

It is an amenable number.

123131102111333 is a deficient number, since it is larger than the sum of its proper divisors (7999734042523).

123131102111333 is a wasteful number, since it uses less digits than its factorization.

123131102111333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42681484.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 123131102111333 its reverse (333111201131321), we get a palindrome (456242303242654).

The spelling of 123131102111333 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, one hundred two million, one hundred eleven thousand, three hundred thirty-three".