430230421 has 2 divisors, whose sum is σ = 430230422. Its totient is φ = 430230420.

The previous prime is 430230401. The next prime is 430230439. The reversal of 430230421 is 124032034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372683025 + 57547396 = 19305^2 + 7586^2 .

It is a cyclic number.

It is not a de Polignac number, because 430230421 - 2⁷ = 430230293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430230401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215115210 + 215115211.

It is an arithmetic number, because the mean of its divisors is an integer number (215115211).

Almost surely, 2^430230421 is an apocalyptic number.

It is an amenable number.

430230421 is a deficient number, since it is larger than the sum of its proper divisors (1).

430230421 is an equidigital number, since it uses as much as digits as its factorization.

430230421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 430230421 is about 20741.9965528876. The cubic root of 430230421 is about 754.9190276157.

Adding to 430230421 its reverse (124032034), we get a palindrome (554262455).

The spelling of 430230421 in words is "four hundred thirty million, two hundred thirty thousand, four hundred twenty-one".