502423 has 6 divisors (see below), whose sum is σ = 517776. Its totient is φ = 487512.

The previous prime is 502421. The next prime is 502429. The reversal of 502423 is 324205.

It is not a de Polignac number, because 502423 - 2¹ = 502421 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 502397 and 502406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1186 + ... + 1552.

It is an arithmetic number, because the mean of its divisors is an integer number (86296).

2⁵⁰²⁴²³ is an apocalyptic number.

502423 is a deficient number, since it is larger than the sum of its proper divisors (15353).

502423 is an equidigital number, since it uses as much as digits as its factorization.

502423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 502423 is about 708.8180302447. The cubic root of 502423 is about 79.4980551454.

Adding to 502423 its reverse (324205), we get a palindrome (826628).

The spelling of 502423 in words is "five hundred two thousand, four hundred twenty-three".