243430227 has 12 divisors (see below), whose sum is σ = 353863120. Its totient is φ = 161252208.

The previous prime is 243430217. The next prime is 243430237. The reversal of 243430227 is 722034342.

243430227 is a `hidden beast` number, since 2 + 4 + 3 + 430 + 227 = 666.

243430227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243430217) and next prime (243430237).

It is not a de Polignac number, because 243430227 - 2⁴ = 243430211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243430227.

It is not an unprimeable number, because it can be changed into a prime (243430207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84727 + ... + 87552.

Almost surely, 2^243430227 is an apocalyptic number.

243430227 is a deficient number, since it is larger than the sum of its proper divisors (110432893).

243430227 is a wasteful number, since it uses less digits than its factorization.

243430227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172442 (or 172439 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 243430227 is about 15602.2507030236. The cubic root of 243430227 is about 624.3932047766.

Adding to 243430227 its reverse (722034342), we get a palindrome (965464569).

The spelling of 243430227 in words is "two hundred forty-three million, four hundred thirty thousand, two hundred twenty-seven".