243330201 has 12 divisors (see below), whose sum is σ = 351636480. Its totient is φ = 162146520.

The previous prime is 243330181. The next prime is 243330239. The reversal of 243330201 is 102033342.

243330201 is a `hidden beast` number, since 2 + 433 + 30 + 201 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-243330201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243330251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21216 + ... + 30606.

It is an arithmetic number, because the mean of its divisors is an integer number (29303040).

Almost surely, 2^243330201 is an apocalyptic number.

It is an amenable number.

243330201 is a deficient number, since it is larger than the sum of its proper divisors (108306279).

243330201 is a wasteful number, since it uses less digits than its factorization.

243330201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12276 (or 12273 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 243330201 is about 15599.0448746069. The cubic root of 243330201 is about 624.3076715600.

Adding to 243330201 its reverse (102033342), we get a palindrome (345363543).

The spelling of 243330201 in words is "two hundred forty-three million, three hundred thirty thousand, two hundred one".