243343424 has 14 divisors (see below), whose sum is σ = 482884734. Its totient is φ = 121671680.

The previous prime is 243343409. The next prime is 243343433. The reversal of 243343424 is 424343342.

It can be written as a sum of positive squares in only one way, i.e., 138485824 + 104857600 = 11768^2 + 10240^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1901057 + ... + 1901184.

Almost surely, 2^243343424 is an apocalyptic number.

It is an amenable number.

243343424 is a deficient number, since it is larger than the sum of its proper divisors (239541310).

243343424 is an equidigital number, since it uses as much as digits as its factorization.

243343424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802253 (or 3802243 counting only the distinct ones).

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

The square root of 243343424 is about 15599.4687089016. The cubic root of 243343424 is about 624.3189800217.

Adding to 243343424 its reverse (424343342), we get a palindrome (667686766).

The spelling of 243343424 in words is "two hundred forty-three million, three hundred forty-three thousand, four hundred twenty-four".