243235244 has 24 divisors (see below), whose sum is σ = 490939680. Its totient is φ = 103286016.

The previous prime is 243235241. The next prime is 243235273. The reversal of 243235244 is 442532342.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (243235241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36797 + ... + 42900.

It is an arithmetic number, because the mean of its divisors is an integer number (20455820).

Almost surely, 2^243235244 is an apocalyptic number.

It is an amenable number.

243235244 is an abundant number, since it is smaller than the sum of its proper divisors (247704436).

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

243235244 is a wasteful number, since it uses less digits than its factorization.

243235244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79817 (or 79815 counting only the distinct ones).

The product of its digits is 23040, while the sum is 29.

The square root of 243235244 is about 15596.0008976660. Note that the first 3 decimals coincide. The cubic root of 243235244 is about 624.2264512039.

Adding to 243235244 its reverse (442532342), we get a palindrome (685767586).

The spelling of 243235244 in words is "two hundred forty-three million, two hundred thirty-five thousand, two hundred forty-four".