430206923 has 2 divisors, whose sum is σ = 430206924. Its totient is φ = 430206922.

The previous prime is 430206901. The next prime is 430206929. The reversal of 430206923 is 329602034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 430206923 - 2¹² = 430202827 is a prime.

It is not a weakly prime, because it can be changed into another prime (430206929) 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, 215103461 + 215103462.

It is an arithmetic number, because the mean of its divisors is an integer number (215103462).

Almost surely, 2^430206923 is an apocalyptic number.

430206923 is a deficient number, since it is larger than the sum of its proper divisors (1).

430206923 is an equidigital number, since it uses as much as digits as its factorization.

430206923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 430206923 is about 20741.4301098068. The cubic root of 430206923 is about 754.9052834999.

Adding to 430206923 its reverse (329602034), we get a palindrome (759808957).

The spelling of 430206923 in words is "four hundred thirty million, two hundred six thousand, nine hundred twenty-three".