123142042334352 has 80 divisors (see below), whose sum is σ = 333270617315328. Its totient is φ = 39106255056000.

The previous prime is 123142042334299. The next prime is 123142042334417. The reversal of 123142042334352 is 253433240241321.

It is a self number, because there is not a number n which added to its sum of digits gives 123142042334352.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221917528 + ... + 222471735.

Almost surely, 2^{123142042334352} is an apocalyptic number.

123142042334352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123142042334352 is an abundant number, since it is smaller than the sum of its proper divisors (210128574980976).

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

123142042334352 is a wasteful number, since it uses less digits than its factorization.

123142042334352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444389548 (or 444389542 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 123142042334352 its reverse (253433240241321), we get a palindrome (376575282575673).

The spelling of 123142042334352 in words is "one hundred twenty-three trillion, one hundred forty-two billion, forty-two million, three hundred thirty-four thousand, three hundred fifty-two".