823163 has 6 divisors (see below), whose sum is σ = 904932. Its totient is φ = 748220.

The previous prime is 823153. The next prime is 823169. The reversal of 823163 is 361328.

It is not a de Polignac number, because 823163 - 2⁸ = 822907 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 823163.

It is not an unprimeable number, because it can be changed into a prime (823169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3281 + ... + 3522.

It is an arithmetic number, because the mean of its divisors is an integer number (150822).

2⁸²³¹⁶³ is an apocalyptic number.

823163 is a deficient number, since it is larger than the sum of its proper divisors (81769).

823163 is a wasteful number, since it uses less digits than its factorization.

823163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825 (or 6814 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 823163 is about 907.2833074624. The cubic root of 823163 is about 93.7192088511.

The spelling of 823163 in words is "eight hundred twenty-three thousand, one hundred sixty-three".