424204243 has 2 divisors, whose sum is σ = 424204244. Its totient is φ = 424204242.

The previous prime is 424204229. The next prime is 424204259. The reversal of 424204243 is 342402424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424204243 is a prime.

It is not a weakly prime, because it can be changed into another prime (424204283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212102121 + 212102122.

It is an arithmetic number, because the mean of its divisors is an integer number (212102122).

Almost surely, 2^424204243 is an apocalyptic number.

424204243 is a deficient number, since it is larger than the sum of its proper divisors (1).

424204243 is an equidigital number, since it uses as much as digits as its factorization.

424204243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 424204243 is about 20596.2191433282. The cubic root of 424204243 is about 751.3777596362.

Adding to 424204243 its reverse (342402424), we get a palindrome (766606667).

The spelling of 424204243 in words is "four hundred twenty-four million, two hundred four thousand, two hundred forty-three".