123700039680 has 416 divisors, whose sum is σ = 458817619968. Its totient is φ = 27869184000.

The previous prime is 123700039669. The next prime is 123700039703. The reversal of 123700039680 is 86930007321.

123700039680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30533655 + ... + 30537705.

Almost surely, 2^123700039680 is an apocalyptic number.

123700039680 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 123700039680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229408809984).

123700039680 is an abundant number, since it is smaller than the sum of its proper divisors (335117580288).

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

123700039680 is an equidigital number, since it uses as much as digits as its factorization.

123700039680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161 (or 4139 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 123700039680 in words is "one hundred twenty-three billion, seven hundred million, thirty-nine thousand, six hundred eighty".