12956783323 has 8 divisors (see below), whose sum is σ = 14374244160. Its totient is φ = 11579251080.

The previous prime is 12956783317. The next prime is 12956783347. The reversal of 12956783323 is 32338765921.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12956783323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12956783303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9981465 + ... + 9982762.

It is an arithmetic number, because the mean of its divisors is an integer number (1796780520).

Almost surely, 2^12956783323 is an apocalyptic number.

12956783323 is a deficient number, since it is larger than the sum of its proper divisors (1417460837).

12956783323 is a wasteful number, since it uses less digits than its factorization.

12956783323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19964297.

The product of its digits is 1632960, while the sum is 49.

The spelling of 12956783323 in words is "twelve billion, nine hundred fifty-six million, seven hundred eighty-three thousand, three hundred twenty-three".