123134143431242 has 64 divisors (see below), whose sum is σ = 208387981946880. Its totient is φ = 54275242418496.

The previous prime is 123134143431209. The next prime is 123134143431251. The reversal of 123134143431242 is 242134341431321.

123134143431242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 123134143431196 and 123134143431205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232148303 + ... + 232678109.

It is an arithmetic number, because the mean of its divisors is an integer number (3256062217920).

Almost surely, 2^{123134143431242} is an apocalyptic number.

123134143431242 is a deficient number, since it is larger than the sum of its proper divisors (85253838515638).

123134143431242 is a wasteful number, since it uses less digits than its factorization.

123134143431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537075.

The product of its digits is 165888, while the sum is 38.

Adding to 123134143431242 its reverse (242134341431321), we get a palindrome (365268484862563).

The spelling of 123134143431242 in words is "one hundred twenty-three trillion, one hundred thirty-four billion, one hundred forty-three million, four hundred thirty-one thousand, two hundred forty-two".