404235223 has 8 divisors (see below), whose sum is σ = 462107520. Its totient is φ = 346394040.

The previous prime is 404235191. The next prime is 404235233. The reversal of 404235223 is 322532404.

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 404235223 - 2⁵ = 404235191 is a prime.

It is a super-2 number, since 2×404235223² = 326812231027719458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404235233) 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, 38208 + ... + 47626.

It is an arithmetic number, because the mean of its divisors is an integer number (57763440).

Almost surely, 2^404235223 is an apocalyptic number.

404235223 is a deficient number, since it is larger than the sum of its proper divisors (57872297).

404235223 is an equidigital number, since it uses as much as digits as its factorization.

404235223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15557.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 404235223 is about 20105.6017815931. The cubic root of 404235223 is about 739.3976245909.

Adding to 404235223 its reverse (322532404), we get a palindrome (726767627).

The spelling of 404235223 in words is "four hundred four million, two hundred thirty-five thousand, two hundred twenty-three".