423259339 has 2 divisors, whose sum is σ = 423259340. Its totient is φ = 423259338.

The previous prime is 423259307. The next prime is 423259349. The reversal of 423259339 is 933952324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423259339 - 2⁵ = 423259307 is a prime.

It is not a weakly prime, because it can be changed into another prime (423259349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211629669 + 211629670.

It is an arithmetic number, because the mean of its divisors is an integer number (211629670).

Almost surely, 2^423259339 is an apocalyptic number.

423259339 is a deficient number, since it is larger than the sum of its proper divisors (1).

423259339 is an equidigital number, since it uses as much as digits as its factorization.

423259339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 40.

The square root of 423259339 is about 20573.2675819861. The cubic root of 423259339 is about 750.8194533725.

The spelling of 423259339 in words is "four hundred twenty-three million, two hundred fifty-nine thousand, three hundred thirty-nine".