123021314403142 has 16 divisors (see below), whose sum is σ = 194298423850800. Its totient is φ = 58256981226720.

The previous prime is 123021314403109. The next prime is 123021314403191. The reversal of 123021314403142 is 241304413120321.

It is a happy number.

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, 451888917 + ... + 452161072.

It is an arithmetic number, because the mean of its divisors is an integer number (12143651490675).

Almost surely, 2^{123021314403142} is an apocalyptic number.

123021314403142 is a deficient number, since it is larger than the sum of its proper divisors (71277109447658).

123021314403142 is a wasteful number, since it uses less digits than its factorization.

123021314403142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904053591.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 123021314403142 its reverse (241304413120321), we get a palindrome (364325727523463).

The spelling of 123021314403142 in words is "one hundred twenty-three trillion, twenty-one billion, three hundred fourteen million, four hundred three thousand, one hundred forty-two".