508423973 has 4 divisors (see below), whose sum is σ = 510357408. Its totient is φ = 506490540.

The previous prime is 508423967. The next prime is 508423997. The reversal of 508423973 is 379324805.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 508423973 - 2¹⁰ = 508422949 is a prime.

It is a super-2 number, since 2×508423973² = 516989872642209458, which contains 22 as substring.

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 508423973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508423943) 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, 966323 + ... + 966848.

It is an arithmetic number, because the mean of its divisors is an integer number (127589352).

Almost surely, 2^508423973 is an apocalyptic number.

It is an amenable number.

508423973 is a deficient number, since it is larger than the sum of its proper divisors (1933435).

508423973 is a wasteful number, since it uses less digits than its factorization.

508423973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933434.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 508423973 is about 22548.2587576070. The cubic root of 508423973 is about 798.1331328350.

The spelling of 508423973 in words is "five hundred eight million, four hundred twenty-three thousand, nine hundred seventy-three".