123531410243344 has 10 divisors (see below), whose sum is σ = 239342107346510. Its totient is φ = 61765705121664.

The previous prime is 123531410243309. The next prime is 123531410243467. The reversal of 123531410243344 is 443342014135321.

It can be written as a sum of positive squares in only one way, i.e., 71175882096400 + 52355528146944 = 8436580^2 + 7235712^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123531410243297 and 123531410243306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3860356570089 + ... + 3860356570120.

It is an arithmetic number, because the mean of its divisors is an integer number (23934210734651).

Almost surely, 2^{123531410243344} is an apocalyptic number.

It is an amenable number.

123531410243344 is a deficient number, since it is larger than the sum of its proper divisors (115810697103166).

123531410243344 is an equidigital number, since it uses as much as digits as its factorization.

123531410243344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720713140217 (or 7720713140211 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 123531410243344 its reverse (443342014135321), we get a palindrome (566873424378665).

The spelling of 123531410243344 in words is "one hundred twenty-three trillion, five hundred thirty-one billion, four hundred ten million, two hundred forty-three thousand, three hundred forty-four".