508338423 has 20 divisors (see below), whose sum is σ = 773704008. Its totient is φ = 332495280.

The previous prime is 508338409. The next prime is 508338431. The reversal of 508338423 is 324833805.

It is not a de Polignac number, because 508338423 - 2¹² = 508334327 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508338443) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54913 + ... + 63498.

Almost surely, 2^508338423 is an apocalyptic number.

508338423 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

508338423 is a deficient number, since it is larger than the sum of its proper divisors (265365585).

508338423 is a wasteful number, since it uses less digits than its factorization.

508338423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118476 (or 118467 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 508338423 is about 22546.3616355278. The cubic root of 508338423 is about 798.0883643457.

The spelling of 508338423 in words is "five hundred eight million, three hundred thirty-eight thousand, four hundred twenty-three".