123101023204720 has 40 divisors (see below), whose sum is σ = 312228958857840. Its totient is φ = 44764008437760.

The previous prime is 123101023204609. The next prime is 123101023204739. The reversal of 123101023204720 is 27402320101321.

123101023204720 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 (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69943762305 + ... + 69943764064.

It is an arithmetic number, because the mean of its divisors is an integer number (7805723971446).

Almost surely, 2^{123101023204720} is an apocalyptic number.

123101023204720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123101023204720 is an abundant number, since it is smaller than the sum of its proper divisors (189127935653120).

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

123101023204720 is a wasteful number, since it uses less digits than its factorization.

123101023204720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139887526393 (or 139887526387 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 123101023204720 in words is "one hundred twenty-three trillion, one hundred one billion, twenty-three million, two hundred four thousand, seven hundred twenty".