123323023121012 has 96 divisors (see below), whose sum is σ = 259717394369664. Its totient is φ = 50486859763200.

The previous prime is 123323023120993. The next prime is 123323023121021. The reversal of 123323023121012 is 210121320323321.

It is a super-3 number, since 3×123323023121012³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20480678 + ... + 25808994.

It is an arithmetic number, because the mean of its divisors is an integer number (2705389524684).

Almost surely, 2^{123323023121012} is an apocalyptic number.

It is an amenable number.

123323023121012 is an abundant number, since it is smaller than the sum of its proper divisors (136394371248652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123323023121012 is a wasteful number, since it uses less digits than its factorization.

123323023121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5329329 (or 5329327 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 123323023121012 its reverse (210121320323321), we get a palindrome (333444343444333).

The spelling of 123323023121012 in words is "one hundred twenty-three trillion, three hundred twenty-three billion, twenty-three million, one hundred twenty-one thousand, twelve".