423371239 has 2 divisors, whose sum is σ = 423371240. Its totient is φ = 423371238.

The previous prime is 423371231. The next prime is 423371251. The reversal of 423371239 is 932173324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423371239 - 2³ = 423371231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423371231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211685619 + 211685620.

It is an arithmetic number, because the mean of its divisors is an integer number (211685620).

Almost surely, 2^423371239 is an apocalyptic number.

423371239 is a deficient number, since it is larger than the sum of its proper divisors (1).

423371239 is an equidigital number, since it uses as much as digits as its factorization.

423371239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 34.

The square root of 423371239 is about 20575.9869508123. The cubic root of 423371239 is about 750.8856139870.

The spelling of 423371239 in words is "four hundred twenty-three million, three hundred seventy-one thousand, two hundred thirty-nine".