430401263 has 2 divisors, whose sum is σ = 430401264. Its totient is φ = 430401262.

The previous prime is 430401253. The next prime is 430401331. The reversal of 430401263 is 362104034.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 430401263 - 2⁴ = 430401247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430401253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215200631 + 215200632.

It is an arithmetic number, because the mean of its divisors is an integer number (215200632).

Almost surely, 2^430401263 is an apocalyptic number.

430401263 is a deficient number, since it is larger than the sum of its proper divisors (1).

430401263 is an equidigital number, since it uses as much as digits as its factorization.

430401263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 430401263 is about 20746.1144072812. The cubic root of 430401263 is about 755.0189390451.

Adding to 430401263 its reverse (362104034), we get a palindrome (792505297).

The spelling of 430401263 in words is "four hundred thirty million, four hundred one thousand, two hundred sixty-three".