123045152040030 has 128 divisors (see below), whose sum is σ = 322508101741056. Its totient is φ = 29796412377600.

The previous prime is 123045152040011. The next prime is 123045152040043. The reversal of 123045152040030 is 30040251540321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 123045152040030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1123470832 + ... + 1123580348.

It is an arithmetic number, because the mean of its divisors is an integer number (2519594544852).

Almost surely, 2^{123045152040030} is an apocalyptic number.

123045152040030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123045152040030 is an abundant number, since it is smaller than the sum of its proper divisors (199462949701026).

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

123045152040030 is a wasteful number, since it uses less digits than its factorization.

123045152040030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113242.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 123045152040030 in words is "one hundred twenty-three trillion, forty-five billion, one hundred fifty-two million, forty thousand, thirty".