210230243 has 4 divisors (see below), whose sum is σ = 210684768. Its totient is φ = 209775720.

The previous prime is 210230227. The next prime is 210230249. The reversal of 210230243 is 342032012.

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 210230243 - 2⁴ = 210230227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210230249) 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 in 3 ways as a sum of consecutive naturals, for example, 226568 + ... + 227493.

It is an arithmetic number, because the mean of its divisors is an integer number (52671192).

Almost surely, 2^210230243 is an apocalyptic number.

210230243 is a deficient number, since it is larger than the sum of its proper divisors (454525).

210230243 is an equidigital number, since it uses as much as digits as its factorization.

210230243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454524.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 210230243 is about 14499.3187081325. The cubic root of 210230243 is about 594.6093455256.

Adding to 210230243 its reverse (342032012), we get a palindrome (552262255).

The spelling of 210230243 in words is "two hundred ten million, two hundred thirty thousand, two hundred forty-three".