123879960000 has 210 divisors, whose sum is σ = 443708680272. Its totient is φ = 33034560000.

The previous prime is 123879959993. The next prime is 123879960031. The reversal of 123879960000 is 69978321.

123879960000 is a `hidden beast` number, since 1 + 2 + 38 + 7 + 9 + 9 + 600 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 187945 + ... + 532055.

Almost surely, 2^123879960000 is an apocalyptic number.

123879960000 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 123879960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221854340136).

123879960000 is an abundant number, since it is smaller than the sum of its proper divisors (319828720272).

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

123879960000 is an equidigital number, since it uses as much as digits as its factorization.

123879960000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344149 (or 344121 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 123879960000 in words is "one hundred twenty-three billion, eight hundred seventy-nine million, nine hundred sixty thousand".