562823 has 4 divisors (see below), whose sum is σ = 569688. Its totient is φ = 555960.

The previous prime is 562813. The next prime is 562831. The reversal of 562823 is 328265.

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 562823 - 2⁶ = 562759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 562792 and 562801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (562813) 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, 3308 + ... + 3473.

It is an arithmetic number, because the mean of its divisors is an integer number (142422).

2⁵⁶²⁸²³ is an apocalyptic number.

562823 is a deficient number, since it is larger than the sum of its proper divisors (6865).

562823 is an equidigital number, since it uses as much as digits as its factorization.

562823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864.

The product of its digits is 2880, while the sum is 26.

The square root of 562823 is about 750.2153024299. The cubic root of 562823 is about 82.5639785324.

The spelling of 562823 in words is "five hundred sixty-two thousand, eight hundred twenty-three".