123531410243342 has 16 divisors (see below), whose sum is σ = 197293018012560. Its totient is φ = 57807666177408.

The previous prime is 123531410243309. The next prime is 123531410243467. The reversal of 123531410243342 is 243342014135321.

It is a junction number, because it is equal to n+sod(n) for n = 123531410243296 and 123531410243305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10148811713 + ... + 10148823884.

It is an arithmetic number, because the mean of its divisors is an integer number (12330813625785).

Almost surely, 2^{123531410243342} is an apocalyptic number.

123531410243342 is a deficient number, since it is larger than the sum of its proper divisors (73761607769218).

123531410243342 is a wasteful number, since it uses less digits than its factorization.

123531410243342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20297635795.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 123531410243342 its reverse (243342014135321), we get a palindrome (366873424378663).

The spelling of 123531410243342 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-two".