123331312534523 has 8 divisors (see below), whose sum is σ = 123417593495856. Its totient is φ = 123245033344000.

The previous prime is 123331312534511. The next prime is 123331312534531. The reversal of 123331312534523 is 325435213133321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123331312534523 - 2⁶ = 123331312534459 is a prime.

It is a super-2 number, since 2×123331312534523² (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 (123331312534583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158922563 + ... + 159696723.

It is an arithmetic number, because the mean of its divisors is an integer number (15427199186982).

Almost surely, 2^{123331312534523} is an apocalyptic number.

123331312534523 is a deficient number, since it is larger than the sum of its proper divisors (86280961333).

123331312534523 is a wasteful number, since it uses less digits than its factorization.

123331312534523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885405.

The product of its digits is 583200, while the sum is 41.

Adding to 123331312534523 its reverse (325435213133321), we get a palindrome (448766525667844).

The spelling of 123331312534523 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, three hundred twelve million, five hundred thirty-four thousand, five hundred twenty-three".