822923 has 4 divisors (see below), whose sum is σ = 840480. Its totient is φ = 805368.

The previous prime is 822907. The next prime is 822949. The reversal of 822923 is 329228.

822923 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 822923 - 2⁴ = 822907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 822892 and 822901.

It is not an unprimeable number, because it can be changed into a prime (822973) 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, 8708 + ... + 8801.

It is an arithmetic number, because the mean of its divisors is an integer number (210120).

2⁸²²⁹²³ is an apocalyptic number.

822923 is a deficient number, since it is larger than the sum of its proper divisors (17557).

822923 is a wasteful number, since it uses less digits than its factorization.

822923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17556.

The product of its digits is 1728, while the sum is 26.

The square root of 822923 is about 907.1510348338. The cubic root of 822923 is about 93.7100997615.

The spelling of 822923 in words is "eight hundred twenty-two thousand, nine hundred twenty-three".