12308403394 has 16 divisors (see below), whose sum is σ = 21530736000. Its totient is φ = 5275029732.

The previous prime is 12308403389. The next prime is 12308403397. The reversal of 12308403394 is 49330480321.

12308403394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12308403397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8970454 + ... + 8971825.

It is an arithmetic number, because the mean of its divisors is an integer number (1345671000).

Almost surely, 2^12308403394 is an apocalyptic number.

12308403394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12308403394 is a deficient number, since it is larger than the sum of its proper divisors (9222332606).

12308403394 is an equidigital number, since it uses as much as digits as its factorization.

12308403394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17942302 (or 17942288 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 12308403394 in words is "twelve billion, three hundred eight million, four hundred three thousand, three hundred ninety-four".