500723 has 2 divisors, whose sum is σ = 500724. Its totient is φ = 500722.

The previous prime is 500719. The next prime is 500729. The reversal of 500723 is 327005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 500723 - 2² = 500719 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (500729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250361 + 250362.

It is an arithmetic number, because the mean of its divisors is an integer number (250362).

2⁵⁰⁰⁷²³ is an apocalyptic number.

500723 is a deficient number, since it is larger than the sum of its proper divisors (1).

500723 is an equidigital number, since it uses as much as digits as its factorization.

500723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 500723 is about 707.6178347102. The cubic root of 500723 is about 79.4082905390.

Adding to 500723 its reverse (327005), we get a palindrome (827728).

The spelling of 500723 in words is "five hundred thousand, seven hundred twenty-three".