508423 has 4 divisors (see below), whose sum is σ = 510120. Its totient is φ = 506728.

The previous prime is 508393. The next prime is 508433. The reversal of 508423 is 324805.

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 508423 - 2¹³ = 500231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 508394 and 508403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508433) 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, 265 + ... + 1042.

It is an arithmetic number, because the mean of its divisors is an integer number (127530).

2⁵⁰⁸⁴²³ is an apocalyptic number.

508423 is a deficient number, since it is larger than the sum of its proper divisors (1697).

508423 is a wasteful number, since it uses less digits than its factorization.

508423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 508423 is about 713.0378671571. The cubic root of 508423 is about 79.8132623690.

The spelling of 508423 in words is "five hundred eight thousand, four hundred twenty-three".