430630243 has 2 divisors, whose sum is σ = 430630244. Its totient is φ = 430630242.

The previous prime is 430630217. The next prime is 430630261. The reversal of 430630243 is 342036034.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-430630243 is a prime.

It is not a weakly prime, because it can be changed into another prime (430630283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215315121 + 215315122.

It is an arithmetic number, because the mean of its divisors is an integer number (215315122).

Almost surely, 2^430630243 is an apocalyptic number.

430630243 is a deficient number, since it is larger than the sum of its proper divisors (1).

430630243 is an equidigital number, since it uses as much as digits as its factorization.

430630243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 430630243 is about 20751.6322972435. The cubic root of 430630243 is about 755.1528091500.

Adding to 430630243 its reverse (342036034), we get a palindrome (772666277).

The spelling of 430630243 in words is "four hundred thirty million, six hundred thirty thousand, two hundred forty-three".