424343243 has 2 divisors, whose sum is σ = 424343244. Its totient is φ = 424343242.

The previous prime is 424343219. The next prime is 424343251. The reversal of 424343243 is 342343424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424343243 - 2⁸ = 424342987 is a prime.

It is not a weakly prime, because it can be changed into another prime (424343203) 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, 212171621 + 212171622.

It is an arithmetic number, because the mean of its divisors is an integer number (212171622).

Almost surely, 2^424343243 is an apocalyptic number.

424343243 is a deficient number, since it is larger than the sum of its proper divisors (1).

424343243 is an equidigital number, since it uses as much as digits as its factorization.

424343243 is an odious number, because the sum of its binary digits is odd.

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

The square root of 424343243 is about 20599.5932726838. The cubic root of 424343243 is about 751.4598192453.

Adding to 424343243 its reverse (342343424), we get a palindrome (766686667).

The spelling of 424343243 in words is "four hundred twenty-four million, three hundred forty-three thousand, two hundred forty-three".