500623 has 4 divisors (see below), whose sum is σ = 507040. Its totient is φ = 494208.

The previous prime is 500603. The next prime is 500629. The reversal of 500623 is 326005.

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 500623 - 2⁹ = 500111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500597 and 500606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500629) 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, 3090 + ... + 3247.

It is an arithmetic number, because the mean of its divisors is an integer number (126760).

2⁵⁰⁰⁶²³ is an apocalyptic number.

500623 is a deficient number, since it is larger than the sum of its proper divisors (6417).

500623 is an equidigital number, since it uses as much as digits as its factorization.

500623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 500623 is about 707.5471715723. The cubic root of 500623 is about 79.4030039449.

Adding to 500623 its reverse (326005), we get a palindrome (826628).

The spelling of 500623 in words is "five hundred thousand, six hundred twenty-three".