123344343144042 has 16 divisors (see below), whose sum is σ = 247144672775712. Its totient is φ = 41038783300080.

The previous prime is 123344343144031. The next prime is 123344343144083. The reversal of 123344343144042 is 240441343443321.

It is a junction number, because it is equal to n+sod(n) for n = 123344343143985 and 123344343144003.

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, 18999433468 + ... + 18999439959.

It is an arithmetic number, because the mean of its divisors is an integer number (15446542048482).

Almost surely, 2^{123344343144042} is an apocalyptic number.

123344343144042 is an abundant number, since it is smaller than the sum of its proper divisors (123800329631670).

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

123344343144042 is a wasteful number, since it uses less digits than its factorization.

123344343144042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37998873973.

The product of its (nonzero) digits is 1327104, while the sum is 42.

Adding to 123344343144042 its reverse (240441343443321), we get a palindrome (363785686587363).

The spelling of 123344343144042 in words is "one hundred twenty-three trillion, three hundred forty-four billion, three hundred forty-three million, one hundred forty-four thousand, forty-two".