123318294942 has 32 divisors (see below), whose sum is σ = 256976899200. Its totient is φ = 39403109088.

The previous prime is 123318294907. The next prime is 123318295031. The reversal of 123318294942 is 249492813321.

It is a junction number, because it is equal to n+sod(n) for n = 123318294891 and 123318294900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2525188 + ... + 2573559.

It is an arithmetic number, because the mean of its divisors is an integer number (8030528100).

Almost surely, 2^123318294942 is an apocalyptic number.

123318294942 is an abundant number, since it is smaller than the sum of its proper divisors (133658604258).

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

123318294942 is a wasteful number, since it uses less digits than its factorization.

123318294942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098920.

The product of its digits is 746496, while the sum is 48.

The spelling of 123318294942 in words is "one hundred twenty-three billion, three hundred eighteen million, two hundred ninety-four thousand, nine hundred forty-two".