243324920224 has 12 divisors (see below), whose sum is σ = 479045936754. Its totient is φ = 121662460096.

The previous prime is 243324920221. The next prime is 243324920233. The reversal of 243324920224 is 422029423342.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 199112288400 + 44212631824 = 446220^2 + 210268^2 .

It is not an unprimeable number, because it can be changed into a prime (243324920221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3801951847 + ... + 3801951910.

Almost surely, 2^243324920224 is an apocalyptic number.

It is an amenable number.

243324920224 is a deficient number, since it is larger than the sum of its proper divisors (235721016530).

243324920224 is an equidigital number, since it uses as much as digits as its factorization.

243324920224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7603903767 (or 7603903759 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 243324920224 in words is "two hundred forty-three billion, three hundred twenty-four million, nine hundred twenty thousand, two hundred twenty-four".