243424313 has 8 divisors (see below), whose sum is σ = 268292640. Its totient is φ = 219012480.

The previous prime is 243424303. The next prime is 243424361. The reversal of 243424313 is 313424342.

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 243424313 - 2¹⁴ = 243407929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243424303) 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, 113003 + ... + 115136.

It is an arithmetic number, because the mean of its divisors is an integer number (33536580).

Almost surely, 2^243424313 is an apocalyptic number.

It is an amenable number.

243424313 is a deficient number, since it is larger than the sum of its proper divisors (24868327).

243424313 is a wasteful number, since it uses less digits than its factorization.

243424313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228247.

The product of its digits is 6912, while the sum is 26.

The square root of 243424313 is about 15602.0611779342. The cubic root of 243424313 is about 624.3881483088.

Adding to 243424313 its reverse (313424342), we get a palindrome (556848655).

The spelling of 243424313 in words is "two hundred forty-three million, four hundred twenty-four thousand, three hundred thirteen".