243030234 has 8 divisors (see below), whose sum is σ = 486060480. Its totient is φ = 81010076.

The previous prime is 243030223. The next prime is 243030289. The reversal of 243030234 is 432030342.

It is a sphenic number, since it is the product of 3 distinct primes.

243030234 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 243030234.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20252514 + ... + 20252525.

It is an arithmetic number, because the mean of its divisors is an integer number (60757560).

Almost surely, 2^243030234 is an apocalyptic number.

243030234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243030234 is a wasteful number, since it uses less digits than its factorization.

243030234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40505044.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 243030234 is about 15589.4269939597. The cubic root of 243030234 is about 624.0510261939.

Adding to 243030234 its reverse (432030342), we get a palindrome (675060576).

The spelling of 243030234 in words is "two hundred forty-three million, thirty thousand, two hundred thirty-four".