123531053334400 has 96 divisors (see below), whose sum is σ = 306010336741200. Its totient is φ = 49274781818880.

The previous prime is 123531053334341. The next prime is 123531053334413. The reversal of 123531053334400 is 4433350135321.

It is a happy number.

It is a super-2 number, since 2×123531053334400² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123531053334400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52616457 + ... + 54914056.

Almost surely, 2^{123531053334400} is an apocalyptic number.

123531053334400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123531053334400 is an abundant number, since it is smaller than the sum of its proper divisors (182479283406800).

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

123531053334400 is a wasteful number, since it uses less digits than its factorization.

123531053334400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107530896 (or 107530879 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

The spelling of 123531053334400 in words is "one hundred twenty-three trillion, five hundred thirty-one billion, fifty-three million, three hundred thirty-four thousand, four hundred".