123234130042044 has 288 divisors, whose sum is σ = 343525816682496. Its totient is φ = 34267450613760.

The previous prime is 123234130042021. The next prime is 123234130042073. The reversal of 123234130042044 is 440240031432321.

It is a junction number, because it is equal to n+sod(n) for n = 123234130041996 and 123234130042014.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 20604265534 + ... + 20604271514.

It is an arithmetic number, because the mean of its divisors is an integer number (1192797974592).

Almost surely, 2^{123234130042044} is an apocalyptic number.

123234130042044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123234130042044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171762908341248).

123234130042044 is an abundant number, since it is smaller than the sum of its proper divisors (220291686640452).

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

123234130042044 is a wasteful number, since it uses less digits than its factorization.

123234130042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105 (or 10096 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 123234130042044 its reverse (440240031432321), we get a palindrome (563474161474365).

The spelling of 123234130042044 in words is "one hundred twenty-three trillion, two hundred thirty-four billion, one hundred thirty million, forty-two thousand, forty-four".