423393 has 4 divisors (see below), whose sum is σ = 564528. Its totient is φ = 282260.

The previous prime is 423389. The next prime is 423403. The reversal of 423393 is 393324.

423393 is nontrivially palindromic in base 8.

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 423393 - 2² = 423389 is a prime.

It is a Leyland number of the form 8⁵ + 5⁸.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423393.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70563 + ... + 70568.

It is an arithmetic number, because the mean of its divisors is an integer number (141132).

2⁴²³³⁹³ is an apocalyptic number.

It is an amenable number.

423393 is a deficient number, since it is larger than the sum of its proper divisors (141135).

423393 is a wasteful number, since it uses less digits than its factorization.

423393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141134.

The product of its digits is 1944, while the sum is 24.

The square root of 423393 is about 650.6865604882. The cubic root of 423393 is about 75.0898478774.

The spelling of 423393 in words is "four hundred twenty-three thousand, three hundred ninety-three".