123550154103203 has 16 divisors (see below), whose sum is σ = 124896320868480. Its totient is φ = 122205476929536.

The previous prime is 123550154103169. The next prime is 123550154103247. The reversal of 123550154103203 is 302301451055321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123550154103203 - 2²⁴ = 123550137325987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123550154103263) 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, 3186973526 + ... + 3187012292.

It is an arithmetic number, because the mean of its divisors is an integer number (7806020054280).

Almost surely, 2^{123550154103203} is an apocalyptic number.

123550154103203 is a deficient number, since it is larger than the sum of its proper divisors (1346166765277).

123550154103203 is a wasteful number, since it uses less digits than its factorization.

123550154103203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57086.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 123550154103203 in words is "one hundred twenty-three trillion, five hundred fifty billion, one hundred fifty-four million, one hundred three thousand, two hundred three".