423329 has 4 divisors (see below), whose sum is σ = 432384. Its totient is φ = 414276.

The previous prime is 423323. The next prime is 423341. The reversal of 423329 is 923324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423329 - 2¹⁶ = 357793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4457 + ... + 4550.

It is an arithmetic number, because the mean of its divisors is an integer number (108096).

2⁴²³³²⁹ is an apocalyptic number.

It is an amenable number.

423329 is a deficient number, since it is larger than the sum of its proper divisors (9055).

423329 is an equidigital number, since it uses as much as digits as its factorization.

423329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054.

The product of its digits is 1296, while the sum is 23.

The square root of 423329 is about 650.6373798054. The cubic root of 423329 is about 75.0860641646.

The spelling of 423329 in words is "four hundred twenty-three thousand, three hundred twenty-nine".