123313335231142 has 16 divisors (see below), whose sum is σ = 211475814016032. Its totient is φ = 52828190979840.

The previous prime is 123313335231103. The next prime is 123313335231173. The reversal of 123313335231142 is 241132533313321.

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 7 ways as a sum of consecutive naturals, for example, 1698400909 + ... + 1698473512.

It is an arithmetic number, because the mean of its divisors is an integer number (13217238376002).

Almost surely, 2^{123313335231142} is an apocalyptic number.

123313335231142 is a deficient number, since it is larger than the sum of its proper divisors (88162478784890).

123313335231142 is a wasteful number, since it uses less digits than its factorization.

123313335231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396877023.

The product of its digits is 116640, while the sum is 37.

Adding to 123313335231142 its reverse (241132533313321), we get a palindrome (364445868544463).

The spelling of 123313335231142 in words is "one hundred twenty-three trillion, three hundred thirteen billion, three hundred thirty-five million, two hundred thirty-one thousand, one hundred forty-two".