123140244413142 has 24 divisors (see below), whose sum is σ = 291058759522440. Its totient is φ = 37315225579680.

The previous prime is 123140244413107. The next prime is 123140244413161. The reversal of 123140244413142 is 241314442041321.

123140244413142 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 40 + 2 + 444 + 131 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 123140244413097 and 123140244413106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310960212967 + ... + 310960213362.

It is an arithmetic number, because the mean of its divisors is an integer number (12127448313435).

Almost surely, 2^{123140244413142} is an apocalyptic number.

123140244413142 is an abundant number, since it is smaller than the sum of its proper divisors (167918515109298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123140244413142 is a wasteful number, since it uses less digits than its factorization.

123140244413142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621920426348 (or 621920426345 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 123140244413142 its reverse (241314442041321), we get a palindrome (364454686454463).

The spelling of 123140244413142 in words is "one hundred twenty-three trillion, one hundred forty billion, two hundred forty-four million, four hundred thirteen thousand, one hundred forty-two".