123030253024020 has 72 divisors (see below), whose sum is σ = 373192670462976. Its totient is φ = 32807988092352.

The previous prime is 123030253024009. The next prime is 123030253024033. The reversal of 123030253024020 is 20420352030321.

123030253024020 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 3 + 0 + 253 + 0 + 2 + 402 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145663849 + ... + 146506031.

It is an arithmetic number, because the mean of its divisors is an integer number (5183231534208).

Almost surely, 2^{123030253024020} is an apocalyptic number.

123030253024020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123030253024020 is an abundant number, since it is smaller than the sum of its proper divisors (250162417438956).

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

123030253024020 is a wasteful number, since it uses less digits than its factorization.

123030253024020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653781 (or 1653776 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The spelling of 123030253024020 in words is "one hundred twenty-three trillion, thirty billion, two hundred fifty-three million, twenty-four thousand, twenty".