12923930442 has 16 divisors (see below), whose sum is σ = 26681663232. Its totient is φ = 4169009760.

The previous prime is 12923930401. The next prime is 12923930443. The reversal of 12923930442 is 24403932921.

It is a self number, because there is not a number n which added to its sum of digits gives 12923930442.

It is not an unprimeable number, because it can be changed into a prime (12923930443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34741563 + ... + 34741934.

It is an arithmetic number, because the mean of its divisors is an integer number (1667603952).

Almost surely, 2^12923930442 is an apocalyptic number.

12923930442 is an abundant number, since it is smaller than the sum of its proper divisors (13757732790).

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

12923930442 is a wasteful number, since it uses less digits than its factorization.

12923930442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69483533.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 12923930442 in words is "twelve billion, nine hundred twenty-three million, nine hundred thirty thousand, four hundred forty-two".