230543 has 4 divisors (see below), whose sum is σ = 236208. Its totient is φ = 224880.

The previous prime is 230539. The next prime is 230551. The reversal of 230543 is 345032.

230543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230543 - 2² = 230539 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230563) 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, 2771 + ... + 2852.

It is an arithmetic number, because the mean of its divisors is an integer number (59052).

2²³⁰⁵⁴³ is an apocalyptic number.

230543 is a deficient number, since it is larger than the sum of its proper divisors (5665).

230543 is an equidigital number, since it uses as much as digits as its factorization.

230543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 230543 is about 480.1489352274. The cubic root of 230543 is about 61.3174350991.

Adding to 230543 its reverse (345032), we get a palindrome (575575).

The spelling of 230543 in words is "two hundred thirty thousand, five hundred forty-three".