123411199391140 has 48 divisors (see below), whose sum is σ = 262994643475200. Its totient is φ = 48639558464640.

The previous prime is 123411199391083. The next prime is 123411199391149. The reversal of 123411199391140 is 41193991114321.

It is not an unprimeable number, because it can be changed into a prime (123411199391149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150113551 + ... + 150933430.

It is an arithmetic number, because the mean of its divisors is an integer number (5479055072400).

Almost surely, 2^{123411199391140} is an apocalyptic number.

123411199391140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123411199391140 is an abundant number, since it is smaller than the sum of its proper divisors (139583444084060).

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

123411199391140 is a wasteful number, since it uses less digits than its factorization.

123411199391140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301047292 (or 301047290 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 49.

The spelling of 123411199391140 in words is "one hundred twenty-three trillion, four hundred eleven billion, one hundred ninety-nine million, three hundred ninety-one thousand, one hundred forty".