12308823902 has 4 divisors (see below), whose sum is σ = 18463235856. Its totient is φ = 6154411950.

The previous prime is 12308823893. The next prime is 12308823913. The reversal of 12308823902 is 20932880321.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 3077205974 + ... + 3077205977.

It is an arithmetic number, because the mean of its divisors is an integer number (4615808964).

Almost surely, 2^12308823902 is an apocalyptic number.

12308823902 is a deficient number, since it is larger than the sum of its proper divisors (6154411954).

12308823902 is an equidigital number, since it uses as much as digits as its factorization.

12308823902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6154411953.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 12308823902 in words is "twelve billion, three hundred eight million, eight hundred twenty-three thousand, nine hundred two".