243433203242 has 8 divisors (see below), whose sum is σ = 365202387936. Its totient is φ = 121699073932.

The previous prime is 243433203229. The next prime is 243433203253. The reversal of 243433203242 is 242302334342.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 243433203199 and 243433203208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8746478 + ... + 8774265.

It is an arithmetic number, because the mean of its divisors is an integer number (45650298492).

Almost surely, 2^243433203242 is an apocalyptic number.

243433203242 is a deficient number, since it is larger than the sum of its proper divisors (121769184694).

243433203242 is a wasteful number, since it uses less digits than its factorization.

243433203242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17527692.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 243433203242 its reverse (242302334342), we get a palindrome (485735537584).

The spelling of 243433203242 in words is "two hundred forty-three billion, four hundred thirty-three million, two hundred three thousand, two hundred forty-two".