123333431242142 has 32 divisors (see below), whose sum is σ = 216879412377600. Its totient is φ = 51975458282880.

The previous prime is 123333431242097. The next prime is 123333431242181. The reversal of 123333431242142 is 241242134333321.

123333431242142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123333431242142² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123333431242096 and 123333431242105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2460934142 + ... + 2460984257.

It is an arithmetic number, because the mean of its divisors is an integer number (6777481636800).

Almost surely, 2^{123333431242142} is an apocalyptic number.

123333431242142 is a deficient number, since it is larger than the sum of its proper divisors (93545981135458).

123333431242142 is a wasteful number, since it uses less digits than its factorization.

123333431242142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921918496.

The product of its digits is 248832, while the sum is 38.

Adding to 123333431242142 its reverse (241242134333321), we get a palindrome (364575565575463).

The spelling of 123333431242142 in words is "one hundred twenty-three trillion, three hundred thirty-three billion, four hundred thirty-one million, two hundred forty-two thousand, one hundred forty-two".