123166054902 has 16 divisors (see below), whose sum is σ = 268725938112. Its totient is φ = 37323046920.

The previous prime is 123166054897. The next prime is 123166054933. The reversal of 123166054902 is 209450661321.

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, 933076108 + ... + 933076239.

It is an arithmetic number, because the mean of its divisors is an integer number (16795371132).

Almost surely, 2^123166054902 is an apocalyptic number.

123166054902 is an abundant number, since it is smaller than the sum of its proper divisors (145559883210).

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

123166054902 is a wasteful number, since it uses less digits than its factorization.

123166054902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866152363.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 123166054902 in words is "one hundred twenty-three billion, one hundred sixty-six million, fifty-four thousand, nine hundred two".