230503243 has 2 divisors, whose sum is σ = 230503244. Its totient is φ = 230503242.

The previous prime is 230503159. The next prime is 230503279. The reversal of 230503243 is 342305032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230503243 - 2²¹ = 228406091 is a prime.

It is not a weakly prime, because it can be changed into another prime (230503543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115251621 + 115251622.

It is an arithmetic number, because the mean of its divisors is an integer number (115251622).

Almost surely, 2^230503243 is an apocalyptic number.

230503243 is a deficient number, since it is larger than the sum of its proper divisors (1).

230503243 is an equidigital number, since it uses as much as digits as its factorization.

230503243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 230503243 is about 15182.3332528304. Note that the first 3 decimals coincide. The cubic root of 230503243 is about 613.1391017832.

Adding to 230503243 its reverse (342305032), we get a palindrome (572808275).

The spelling of 230503243 in words is "two hundred thirty million, five hundred three thousand, two hundred forty-three".