123380988768 has 72 divisors (see below), whose sum is σ = 366119692848. Its totient is φ = 39338863872.

The previous prime is 123380988767. The next prime is 123380988799. The reversal of 123380988768 is 867889083321.

123380988768 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123380988767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9306555 + ... + 9319802.

It is an arithmetic number, because the mean of its divisors is an integer number (5084995734).

Almost surely, 2^123380988768 is an apocalyptic number.

123380988768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

123380988768 is an abundant number, since it is smaller than the sum of its proper divisors (242738704080).

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

123380988768 is a wasteful number, since it uses less digits than its factorization.

123380988768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18626396 (or 18626385 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 123380988768 in words is "one hundred twenty-three billion, three hundred eighty million, nine hundred eighty-eight thousand, seven hundred sixty-eight".