123405545154201 has 16 divisors (see below), whose sum is σ = 174248056202688. Its totient is φ = 77418280051200.

The previous prime is 123405545154193. The next prime is 123405545154209. The reversal of 123405545154201 is 102451545504321.

It is an interprime number because it is at equal distance from previous prime (123405545154193) and next prime (123405545154209).

It is not a de Polignac number, because 123405545154201 - 2³ = 123405545154193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123405545154209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197344795 + ... + 197969136.

It is an arithmetic number, because the mean of its divisors is an integer number (10890503512668).

Almost surely, 2^{123405545154201} is an apocalyptic number.

It is an amenable number.

123405545154201 is a deficient number, since it is larger than the sum of its proper divisors (50842511048487).

123405545154201 is a wasteful number, since it uses less digits than its factorization.

123405545154201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395320072.

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 123405545154201 in words is "one hundred twenty-three trillion, four hundred five billion, five hundred forty-five million, one hundred fifty-four thousand, two hundred one".