812314823 has 4 divisors (see below), whose sum is σ = 812466408. Its totient is φ = 812163240.

The previous prime is 812314807. The next prime is 812314831. The reversal of 812314823 is 328413218.

812314823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 812314823 - 2⁴ = 812314807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 812314823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812314843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67448 + ... + 78573.

It is an arithmetic number, because the mean of its divisors is an integer number (203116602).

Almost surely, 2^812314823 is an apocalyptic number.

812314823 is a deficient number, since it is larger than the sum of its proper divisors (151585).

812314823 is a wasteful number, since it uses less digits than its factorization.

812314823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151584.

The product of its digits is 9216, while the sum is 32.

The square root of 812314823 is about 28501.1372229250. The cubic root of 812314823 is about 933.0568940521.

The spelling of 812314823 in words is "eight hundred twelve million, three hundred fourteen thousand, eight hundred twenty-three".