810994023 has 24 divisors (see below), whose sum is σ = 1342862976. Its totient is φ = 462013200.

The previous prime is 810993991. The next prime is 810994033. The reversal of 810994023 is 320499018.

810994023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 810994023 - 2⁵ = 810993991 is a prime.

It is a super-2 number, since 2×810994023² = 1315422610683449058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810994033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1408 + ... + 40298.

It is an arithmetic number, because the mean of its divisors is an integer number (55952624).

Almost surely, 2^810994023 is an apocalyptic number.

810994023 is a deficient number, since it is larger than the sum of its proper divisors (531868953).

810994023 is a wasteful number, since it uses less digits than its factorization.

810994023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39235 (or 39232 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 810994023 is about 28477.9567911745. The cubic root of 810994023 is about 932.5509120308.

The spelling of 810994023 in words is "eight hundred ten million, nine hundred ninety-four thousand, twenty-three".