12886243923 has 8 divisors (see below), whose sum is σ = 19636181248. Its totient is φ = 7363567944.

The previous prime is 12886243921. The next prime is 12886243957. The reversal of 12886243923 is 32934268821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12886243923 - 2¹ = 12886243921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12886243921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306815311 + ... + 306815352.

It is an arithmetic number, because the mean of its divisors is an integer number (2454522656).

Almost surely, 2^12886243923 is an apocalyptic number.

12886243923 is a deficient number, since it is larger than the sum of its proper divisors (6749937325).

12886243923 is an equidigital number, since it uses as much as digits as its factorization.

12886243923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613630673.

The product of its digits is 995328, while the sum is 48.

The spelling of 12886243923 in words is "twelve billion, eight hundred eighty-six million, two hundred forty-three thousand, nine hundred twenty-three".