12311857393 has 8 divisors (see below), whose sum is σ = 13536875520. Its totient is φ = 11104465680.

The previous prime is 12311857387. The next prime is 12311857417. The reversal of 12311857393 is 39375811321.

12311857393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12311857393 - 2¹⁷ = 12311726321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311857303) 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, 4405138 + ... + 4407931.

It is an arithmetic number, because the mean of its divisors is an integer number (1692109440).

Almost surely, 2^12311857393 is an apocalyptic number.

It is an amenable number.

12311857393 is a deficient number, since it is larger than the sum of its proper divisors (1225018127).

12311857393 is a wasteful number, since it uses less digits than its factorization.

12311857393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813207.

The product of its digits is 136080, while the sum is 43.

The spelling of 12311857393 in words is "twelve billion, three hundred eleven million, eight hundred fifty-seven thousand, three hundred ninety-three".