230530543 has 4 divisors (see below), whose sum is σ = 230563080. Its totient is φ = 230498008.

The previous prime is 230530513. The next prime is 230530561. The reversal of 230530543 is 345035032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 230530543 - 2⁵ = 230530511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230530513) 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, 628 + ... + 21481.

It is an arithmetic number, because the mean of its divisors is an integer number (57640770).

Almost surely, 2^230530543 is an apocalyptic number.

230530543 is a deficient number, since it is larger than the sum of its proper divisors (32537).

230530543 is a wasteful number, since it uses less digits than its factorization.

230530543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32536.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 230530543 is about 15183.2322975050. The cubic root of 230530543 is about 613.1633068464.

Adding to 230530543 its reverse (345035032), we get a palindrome (575565575).

The spelling of 230530543 in words is "two hundred thirty million, five hundred thirty thousand, five hundred forty-three".