123542479460952 has 48 divisors (see below), whose sum is σ = 334595861135640. Its totient is φ = 41180623911168.

The previous prime is 123542479460903. The next prime is 123542479460987. The reversal of 123542479460952 is 259064974245321.

It is a happy number.

123542479460952 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 42 + 47 + 9 + 460 + 95 + 2 = 666.

123542479460952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 123542479460952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10891063 + ... + 19123289.

Almost surely, 2^{123542479460952} is an apocalyptic number.

123542479460952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123542479460952 is an abundant number, since it is smaller than the sum of its proper divisors (211053381674688).

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

123542479460952 is a wasteful number, since it uses less digits than its factorization.

123542479460952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8440672 (or 8440665 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 63.

The spelling of 123542479460952 in words is "one hundred twenty-three trillion, five hundred forty-two billion, four hundred seventy-nine million, four hundred sixty thousand, nine hundred fifty-two".