123230121223132 has 48 divisors (see below), whose sum is σ = 268900782958080. Its totient is φ = 48005474126400.

The previous prime is 123230121223109. The next prime is 123230121223141. The reversal of 123230121223132 is 231322121032321.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 123230121223132.

It is a congruent number.

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, 23723344 + ... + 28447447.

It is an arithmetic number, because the mean of its divisors is an integer number (5602099644960).

Almost surely, 2^{123230121223132} is an apocalyptic number.

It is an amenable number.

123230121223132 is an abundant number, since it is smaller than the sum of its proper divisors (145670661734948).

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

123230121223132 is a wasteful number, since it uses less digits than its factorization.

123230121223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52178482 (or 52178480 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 123230121223132 its reverse (231322121032321), we get a palindrome (354552242255453).

The spelling of 123230121223132 in words is "one hundred twenty-three trillion, two hundred thirty billion, one hundred twenty-one million, two hundred twenty-three thousand, one hundred thirty-two".