502723 has 4 divisors (see below), whose sum is σ = 541408. Its totient is φ = 464040.

The previous prime is 502717. The next prime is 502729. The reversal of 502723 is 327205.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (502717) and next prime (502729).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 502723.

It is not an unprimeable number, because it can be changed into a prime (502729) 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, 19323 + ... + 19348.

It is an arithmetic number, because the mean of its divisors is an integer number (135352).

2⁵⁰²⁷²³ is an apocalyptic number.

502723 is a deficient number, since it is larger than the sum of its proper divisors (38685).

502723 is a wasteful number, since it uses less digits than its factorization.

502723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38684.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 502723 is about 709.0296185633. The cubic root of 502723 is about 79.5138749302.

Adding to 502723 its reverse (327205), we get a palindrome (829928).

It can be divided in two parts, 5027 and 23, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 502723 in words is "five hundred two thousand, seven hundred twenty-three".