243324443 has 8 divisors (see below), whose sum is σ = 245145600. Its totient is φ = 241510248.

The previous prime is 243324427. The next prime is 243324479. The reversal of 243324443 is 344423342.

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

It is a cyclic number.

It is not a de Polignac number, because 243324443 - 2⁴ = 243324427 is a prime.

It is a super-2 number, since 2×243324443² = 118413569122520498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243324493) 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 7 ways as a sum of consecutive naturals, for example, 83078 + ... + 85956.

It is an arithmetic number, because the mean of its divisors is an integer number (30643200).

Almost surely, 2^243324443 is an apocalyptic number.

243324443 is a deficient number, since it is larger than the sum of its proper divisors (1821157).

243324443 is a wasteful number, since it uses less digits than its factorization.

243324443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481.

The product of its digits is 27648, while the sum is 29.

The square root of 243324443 is about 15598.8603109330. The cubic root of 243324443 is about 624.3027471241.

Adding to 243324443 its reverse (344423342), we get a palindrome (587747785).

The spelling of 243324443 in words is "two hundred forty-three million, three hundred twenty-four thousand, four hundred forty-three".