503323 has 4 divisors (see below), whose sum is σ = 514080. Its totient is φ = 492568.

The previous prime is 503317. The next prime is 503339. The reversal of 503323 is 323305.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323305 = 5 ⋅64661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-503323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503297 and 503306.

It is not an unprimeable number, because it can be changed into a prime (503303) 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, 5308 + ... + 5401.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

2⁵⁰³³²³ is an apocalyptic number.

503323 is a deficient number, since it is larger than the sum of its proper divisors (10757).

503323 is a wasteful number, since it uses less digits than its factorization.

503323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10756.

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 503323 is about 709.4526058871. The cubic root of 503323 is about 79.5454956289.

Adding to 503323 its reverse (323305), we get a palindrome (826628).

The spelling of 503323 in words is "five hundred three thousand, three hundred twenty-three".