823359 has 4 divisors (see below), whose sum is σ = 1097816. Its totient is φ = 548904.

The previous prime is 823357. The next prime is 823373. The reversal of 823359 is 953328.

It is a happy number.

823359 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 not a de Polignac number, because 823359 - 2¹ = 823357 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823351) 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, 137224 + ... + 137229.

It is an arithmetic number, because the mean of its divisors is an integer number (274454).

2⁸²³³⁵⁹ is an apocalyptic number.

823359 is a deficient number, since it is larger than the sum of its proper divisors (274457).

823359 is a wasteful number, since it uses less digits than its factorization.

823359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274456.

The product of its digits is 6480, while the sum is 30.

The square root of 823359 is about 907.3913158059. The cubic root of 823359 is about 93.7266466275.

The spelling of 823359 in words is "eight hundred twenty-three thousand, three hundred fifty-nine".