503323113 has 8 divisors (see below), whose sum is σ = 671487328. Its totient is φ = 335353824.

The previous prime is 503323111. The next prime is 503323147. The reversal of 503323113 is 311323305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 503323113 - 2¹ = 503323111 is a prime.

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 503323113.

It is not an unprimeable number, because it can be changed into a prime (503323111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42595 + ... + 53112.

It is an arithmetic number, because the mean of its divisors is an integer number (83935916).

Almost surely, 2^503323113 is an apocalyptic number.

It is an amenable number.

503323113 is a deficient number, since it is larger than the sum of its proper divisors (168164215).

503323113 is a wasteful number, since it uses less digits than its factorization.

503323113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97463.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 503323113 is about 22434.8637838521. The cubic root of 503323113 is about 795.4550158179.

Adding to 503323113 its reverse (311323305), we get a palindrome (814646418).

The spelling of 503323113 in words is "five hundred three million, three hundred twenty-three thousand, one hundred thirteen".