430423129 has 2 divisors, whose sum is σ = 430423130. Its totient is φ = 430423128.

The previous prime is 430423117. The next prime is 430423139. The reversal of 430423129 is 921324034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368832025 + 61591104 = 19205^2 + 7848^2 .

It is a cyclic number.

It is not a de Polignac number, because 430423129 - 2⁷ = 430423001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 430423097 and 430423106.

It is not a weakly prime, because it can be changed into another prime (430423139) 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, 215211564 + 215211565.

It is an arithmetic number, because the mean of its divisors is an integer number (215211565).

Almost surely, 2^430423129 is an apocalyptic number.

It is an amenable number.

430423129 is a deficient number, since it is larger than the sum of its proper divisors (1).

430423129 is an equidigital number, since it uses as much as digits as its factorization.

430423129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 430423129 is about 20746.6413908372. The cubic root of 430423129 is about 755.0317247608.

The spelling of 430423129 in words is "four hundred thirty million, four hundred twenty-three thousand, one hundred twenty-nine".