423431299 has 2 divisors, whose sum is σ = 423431300. Its totient is φ = 423431298.

The previous prime is 423431279. The next prime is 423431353. The reversal of 423431299 is 992134324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423431299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423431279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211715649 + 211715650.

It is an arithmetic number, because the mean of its divisors is an integer number (211715650).

Almost surely, 2^423431299 is an apocalyptic number.

423431299 is a deficient number, since it is larger than the sum of its proper divisors (1).

423431299 is an equidigital number, since it uses as much as digits as its factorization.

423431299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 423431299 is about 20577.4463673217. The cubic root of 423431299 is about 750.9211195146.

The spelling of 423431299 in words is "four hundred twenty-three million, four hundred thirty-one thousand, two hundred ninety-nine".