123870207425066 has 16 divisors (see below), whose sum is σ = 186638579312640. Its totient is φ = 61657411107600.

The previous prime is 123870207425059. The next prime is 123870207425183. The reversal of 123870207425066 is 660524702078321.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123870207424999 and 123870207425017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11953610 + ... + 19764341.

It is an arithmetic number, because the mean of its divisors is an integer number (11664911207040).

Almost surely, 2^{123870207425066} is an apocalyptic number.

123870207425066 is a deficient number, since it is larger than the sum of its proper divisors (62768371887574).

123870207425066 is a wasteful number, since it uses less digits than its factorization.

123870207425066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31726709.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 123870207425066 in words is "one hundred twenty-three trillion, eight hundred seventy billion, two hundred seven million, four hundred twenty-five thousand, sixty-six".