123131023122333 has 16 divisors (see below), whose sum is σ = 164714634823680. Its totient is φ = 81817449381696.

The previous prime is 123131023122301. The next prime is 123131023122361. The reversal of 123131023122333 is 333221320131321.

It is not a de Polignac number, because 123131023122333 - 2⁵ = 123131023122301 is a prime.

It is a super-3 number, since 3×123131023122333³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 123131023122333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123131023142333) 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, 1547613 + ... + 15768866.

It is an arithmetic number, because the mean of its divisors is an integer number (10294664676480).

Almost surely, 2^{123131023122333} is an apocalyptic number.

It is an amenable number.

123131023122333 is a deficient number, since it is larger than the sum of its proper divisors (41583611701347).

123131023122333 is a wasteful number, since it uses less digits than its factorization.

123131023122333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17324276.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 123131023122333 its reverse (333221320131321), we get a palindrome (456352343253654).

The spelling of 123131023122333 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, twenty-three million, one hundred twenty-two thousand, three hundred thirty-three".