12383872657 has 12 divisors (see below), whose sum is σ = 13772188380. Its totient is φ = 11122308288.

The previous prime is 12383872607. The next prime is 12383872679. The reversal of 12383872657 is 75627838321.

It can be written as a sum of positive squares in 6 ways, for example, as 2835456001 + 9548416656 = 53249^2 + 97716^2 .

It is not a de Polignac number, because 12383872657 - 2¹⁵ = 12383839889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12383872607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 983982 + ... + 996487.

It is an arithmetic number, because the mean of its divisors is an integer number (1147682365).

Almost surely, 2^12383872657 is an apocalyptic number.

It is an amenable number.

12383872657 is a deficient number, since it is larger than the sum of its proper divisors (1388315723).

12383872657 is a wasteful number, since it uses less digits than its factorization.

12383872657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980532 (or 1980519 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The spelling of 12383872657 in words is "twelve billion, three hundred eighty-three million, eight hundred seventy-two thousand, six hundred fifty-seven".