123879926976 has 224 divisors, whose sum is σ = 376055705088. Its totient is φ = 35652648960.

The previous prime is 123879926971. The next prime is 123879926999. The reversal of 123879926976 is 679629978321.

It is a self number, because there is not a number n which added to its sum of digits gives 123879926976.

It is not an unprimeable number, because it can be changed into a prime (123879926971) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6907461 + ... + 6925371.

It is an arithmetic number, because the mean of its divisors is an integer number (1678820112).

Almost surely, 2^123879926976 is an apocalyptic number.

123879926976 is a gapful number since it is divisible by the number (16) 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 123879926976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188027852544).

123879926976 is an abundant number, since it is smaller than the sum of its proper divisors (252175778112).

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

123879926976 is a wasteful number, since it uses less digits than its factorization.

123879926976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18119 (or 18109 counting only the distinct ones).

The product of its digits is 123451776, while the sum is 69.

The spelling of 123879926976 in words is "one hundred twenty-three billion, eight hundred seventy-nine million, nine hundred twenty-six thousand, nine hundred seventy-six".