123080899618320 has 320 divisors, whose sum is σ = 443954425098240. Its totient is φ = 27627392600064.

The previous prime is 123080899618217. The next prime is 123080899618331. The reversal of 123080899618320 is 23816998080321.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 20643726 + ... + 25929234.

It is an arithmetic number, because the mean of its divisors is an integer number (1387357578432).

Almost surely, 2^{123080899618320} is an apocalyptic number.

123080899618320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123080899618320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221977212549120).

123080899618320 is an abundant number, since it is smaller than the sum of its proper divisors (320873525479920).

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

123080899618320 is a wasteful number, since it uses less digits than its factorization.

123080899618320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285782 (or 5285776 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 60.

The spelling of 123080899618320 in words is "one hundred twenty-three trillion, eighty billion, eight hundred ninety-nine million, six hundred eighteen thousand, three hundred twenty".