123165980310078 has 12 divisors (see below), whose sum is σ = 266859624005208. Its totient is φ = 41055326770020.

The previous prime is 123165980310047. The next prime is 123165980310091. The reversal of 123165980310078 is 870013089561321.

123165980310078 is a `hidden beast` number, since 1 + 2 + 3 + 16 + 598 + 0 + 31 + 0 + 0 + 7 + 8 = 666.

123165980310078 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 polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3421277230818 + ... + 3421277230853.

It is an arithmetic number, because the mean of its divisors is an integer number (22238302000434).

Almost surely, 2^{123165980310078} is an apocalyptic number.

123165980310078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

123165980310078 is an abundant number, since it is smaller than the sum of its proper divisors (143693643695130).

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

123165980310078 is a wasteful number, since it uses less digits than its factorization.

123165980310078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842554461679 (or 6842554461676 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 123165980310078 in words is "one hundred twenty-three trillion, one hundred sixty-five billion, nine hundred eighty million, three hundred ten thousand, seventy-eight".