123011322023040 has 128 divisors (see below), whose sum is σ = 427743915289920. Its totient is φ = 29820926545920.

The previous prime is 123011322023027. The next prime is 123011322023069. The reversal of 123011322023040 is 40320223110321.

123011322023040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 123011322023040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2912178739 + ... + 2912220978.

Almost surely, 2^{123011322023040} is an apocalyptic number.

123011322023040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123011322023040 is an abundant number, since it is smaller than the sum of its proper divisors (304732593266880).

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

123011322023040 is a wasteful number, since it uses less digits than its factorization.

123011322023040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824399750 (or 5824399738 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123011322023040 its reverse (40320223110321), we get a palindrome (163331545133361).

The spelling of 123011322023040 in words is "one hundred twenty-three trillion, eleven billion, three hundred twenty-two million, twenty-three thousand, forty".