423399 has 8 divisors (see below), whose sum is σ = 570240. Its totient is φ = 279416.

The previous prime is 423389. The next prime is 423403. The reversal of 423399 is 993324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423399 - 2¹² = 419303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423389) 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 in 7 ways as a sum of consecutive naturals, for example, 339 + ... + 980.

It is an arithmetic number, because the mean of its divisors is an integer number (71280).

2⁴²³³⁹⁹ is an apocalyptic number.

423399 is a deficient number, since it is larger than the sum of its proper divisors (146841).

423399 is a wasteful number, since it uses less digits than its factorization.

423399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429.

The product of its digits is 5832, while the sum is 30.

The square root of 423399 is about 650.6911709867. The cubic root of 423399 is about 75.0902025809.

The spelling of 423399 in words is "four hundred twenty-three thousand, three hundred ninety-nine".