404301223 has 4 divisors (see below), whose sum is σ = 409419040. Its totient is φ = 399183408.

The previous prime is 404301203. The next prime is 404301251. The reversal of 404301223 is 322103404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404301223 - 2⁹ = 404300711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404301223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404301203) 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 3 ways as a sum of consecutive naturals, for example, 2558790 + ... + 2558947.

It is an arithmetic number, because the mean of its divisors is an integer number (102354760).

Almost surely, 2^404301223 is an apocalyptic number.

404301223 is a deficient number, since it is larger than the sum of its proper divisors (5117817).

404301223 is an equidigital number, since it uses as much as digits as its factorization.

404301223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117816.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 404301223 is about 20107.2430482152. The cubic root of 404301223 is about 739.4378631985.

Adding to 404301223 its reverse (322103404), we get a palindrome (726404627).

The spelling of 404301223 in words is "four hundred four million, three hundred one thousand, two hundred twenty-three".