230503 has 16 divisors (see below), whose sum is σ = 302400. Its totient is φ = 170496.

The previous prime is 230501. The next prime is 230507. The reversal of 230503 is 305032.

230503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 230503 - 2¹ = 230501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1473 + ... + 1621.

It is an arithmetic number, because the mean of its divisors is an integer number (18900).

2²³⁰⁵⁰³ is an apocalyptic number.

230503 is a deficient number, since it is larger than the sum of its proper divisors (71897).

230503 is a wasteful number, since it uses less digits than its factorization.

230503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 230503 is about 480.1072796782. The cubic root of 230503 is about 61.3138886323.

Adding to 230503 its reverse (305032), we get a palindrome (535535).

Subtracting 230503 from its reverse (305032), we obtain a square (74529 = 273²).

The spelling of 230503 in words is "two hundred thirty thousand, five hundred three".