900823 has 8 divisors (see below), whose sum is σ = 1123200. Its totient is φ = 701880.

The previous prime is 900821. The next prime is 900863. The reversal of 900823 is 328009.

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

It is a cyclic number.

It is not a de Polignac number, because 900823 - 2¹ = 900821 is a prime.

It is a super-2 number, since 2×900823² = 1622964154658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 900794 and 900803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900821) 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, 5773 + ... + 5926.

It is an arithmetic number, because the mean of its divisors is an integer number (140400).

2⁹⁰⁰⁸²³ is an apocalyptic number.

900823 is a deficient number, since it is larger than the sum of its proper divisors (222377).

900823 is a wasteful number, since it uses less digits than its factorization.

900823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11717.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 900823 is about 949.1169580194. The cubic root of 900823 is about 96.5783590414.

The spelling of 900823 in words is "nine hundred thousand, eight hundred twenty-three".