123479769600000 has 2496 divisors, whose sum is σ = 506232831525120. Its totient is φ = 29859840000000.

The previous prime is 123479769599969. The next prime is 123479769600029. The reversal of 123479769600000 is 6967974321.

It is a happy number.

123479769600000 is a `hidden beast` number, since 1 + 23 + 4 + 7 + 9 + 7 + 6 + 9 + 600 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 123479769600000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 307929599800 + ... + 307929600200.

Almost surely, 2^{123479769600000} is an apocalyptic number.

123479769600000 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 123479769600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253116415762560).

123479769600000 is an abundant number, since it is smaller than the sum of its proper divisors (382753061925120).

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

123479769600000 is an frugal number, since it uses more digits than its factorization.

123479769600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 123479769600000 in words is "one hundred twenty-three trillion, four hundred seventy-nine billion, seven hundred sixty-nine million, six hundred thousand".