812686338023 has 16 divisors (see below), whose sum is σ = 946438413120. Its totient is φ = 683351375616.

The previous prime is 812686337941. The next prime is 812686338049. The reversal of 812686338023 is 320833686218.

It is not a de Polignac number, because 812686338023 - 2¹⁴ = 812686321639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812686338073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2627483 + ... + 2920451.

It is an arithmetic number, because the mean of its divisors is an integer number (59152400820).

Almost surely, 2^812686338023 is an apocalyptic number.

812686338023 is a deficient number, since it is larger than the sum of its proper divisors (133752075097).

812686338023 is a wasteful number, since it uses less digits than its factorization.

812686338023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300506.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 812686338023 in words is "eight hundred twelve billion, six hundred eighty-six million, three hundred thirty-eight thousand, twenty-three".