123013250402105 has 64 divisors (see below), whose sum is σ = 179546817922560. Its totient is φ = 78982196428800.

The previous prime is 123013250402083. The next prime is 123013250402113. The reversal of 123013250402105 is 501204052310321.

It is not a de Polignac number, because 123013250402105 - 2¹⁶ = 123013250336569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144260450 + ... + 145110660.

It is an arithmetic number, because the mean of its divisors is an integer number (2805419030040).

Almost surely, 2^{123013250402105} is an apocalyptic number.

It is an amenable number.

123013250402105 is a deficient number, since it is larger than the sum of its proper divisors (56533567520455).

123013250402105 is a wasteful number, since it uses less digits than its factorization.

123013250402105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851490.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 123013250402105 in words is "one hundred twenty-three trillion, thirteen billion, two hundred fifty million, four hundred two thousand, one hundred five".