423259 has 2 divisors, whose sum is σ = 423260. Its totient is φ = 423258.

The previous prime is 423257. The next prime is 423277. The reversal of 423259 is 952324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423259 - 2¹ = 423257 is a prime.

Together with 423257, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (423251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211629 + 211630.

It is an arithmetic number, because the mean of its divisors is an integer number (211630).

2⁴²³²⁵⁹ is an apocalyptic number.

423259 is a deficient number, since it is larger than the sum of its proper divisors (1).

423259 is an equidigital number, since it uses as much as digits as its factorization.

423259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 423259 is about 650.5835841765. The cubic root of 423259 is about 75.0819252922.

The spelling of 423259 in words is "four hundred twenty-three thousand, two hundred fifty-nine".