504742923 has 24 divisors (see below), whose sum is σ = 786174480. Its totient is φ = 311005440.

The previous prime is 504742919. The next prime is 504742943. The reversal of 504742923 is 329247405.

It is not a de Polignac number, because 504742923 - 2² = 504742919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504742913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28986 + ... + 43007.

It is an arithmetic number, because the mean of its divisors is an integer number (32757270).

Almost surely, 2^504742923 is an apocalyptic number.

504742923 is a deficient number, since it is larger than the sum of its proper divisors (281431557).

504742923 is a wasteful number, since it uses less digits than its factorization.

504742923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72059 (or 72056 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 504742923 is about 22466.4844379355. The cubic root of 504742923 is about 796.2022725061.

The spelling of 504742923 in words is "five hundred four million, seven hundred forty-two thousand, nine hundred twenty-three".