123230545543404 has 144 divisors (see below), whose sum is σ = 336827444990400. Its totient is φ = 37762899812352.

The previous prime is 123230545543379. The next prime is 123230545543429. The reversal of 123230545543404 is 404345545032321.

123230545543404 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 3 + 0 + 54 + 554 + 3 + 40 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (123230545543379) and next prime (123230545543429).

It is a self number, because there is not a number n which added to its sum of digits gives 123230545543404.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133189017 + ... + 134111055.

It is an arithmetic number, because the mean of its divisors is an integer number (2339079479100).

Almost surely, 2^{123230545543404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123230545543404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168413722495200).

123230545543404 is an abundant number, since it is smaller than the sum of its proper divisors (213596899446996).

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

123230545543404 is a wasteful number, since it uses less digits than its factorization.

123230545543404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923224 (or 923219 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

The spelling of 123230545543404 in words is "one hundred twenty-three trillion, two hundred thirty billion, five hundred forty-five million, five hundred forty-three thousand, four hundred four".