504923 has 4 divisors (see below), whose sum is σ = 507528. Its totient is φ = 502320.

The previous prime is 504901. The next prime is 504929. The reversal of 504923 is 329405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329405 = 5 ⋅65881.

It is a cyclic number.

It is not a de Polignac number, because 504923 - 2⁸ = 504667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504929) 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, 986 + ... + 1407.

It is an arithmetic number, because the mean of its divisors is an integer number (126882).

2⁵⁰⁴⁹²³ is an apocalyptic number.

504923 is a deficient number, since it is larger than the sum of its proper divisors (2605).

504923 is a wasteful number, since it uses less digits than its factorization.

504923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 504923 is about 710.5793411013. The cubic root of 504923 is about 79.6296948206.

The spelling of 504923 in words is "five hundred four thousand, nine hundred twenty-three".