500008923 has 16 divisors (see below), whose sum is σ = 766298400. Its totient is φ = 321844320.

The previous prime is 500008919. The next prime is 500008963. The reversal of 500008923 is 329800005.

It is not a de Polignac number, because 500008923 - 2² = 500008919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (500008903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318508 + ... + 320073.

It is an arithmetic number, because the mean of its divisors is an integer number (47893650).

Almost surely, 2^500008923 is an apocalyptic number.

500008923 is a deficient number, since it is larger than the sum of its proper divisors (266289477).

500008923 is a wasteful number, since it uses less digits than its factorization.

500008923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638619 (or 638613 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 500008923 is about 22360.8792984534. The cubic root of 500008923 is about 793.7052474159.

Adding to 500008923 its reverse (329800005), we get a palindrome (829808928).

The spelling of 500008923 in words is "five hundred million, eight thousand, nine hundred twenty-three".