123030134050044 has 72 divisors (see below), whose sum is σ = 310859836448112. Its totient is φ = 37854384522240.

The previous prime is 123030134050037. The next prime is 123030134050067. The reversal of 123030134050044 is 440050431030321.

It is a junction number, because it is equal to n+sod(n) for n = 123030134049993 and 123030134050020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74587252 + ... + 76218884.

It is an arithmetic number, because the mean of its divisors is an integer number (4317497728446).

Almost surely, 2^{123030134050044} is an apocalyptic number.

It is an amenable number.

123030134050044 is an abundant number, since it is smaller than the sum of its proper divisors (187829702398068).

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

123030134050044 is a wasteful number, since it uses less digits than its factorization.

123030134050044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668847 (or 1668832 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 123030134050044 its reverse (440050431030321), we get a palindrome (563080565080365).

The spelling of 123030134050044 in words is "one hundred twenty-three trillion, thirty billion, one hundred thirty-four million, fifty thousand, forty-four".