404111323 has 24 divisors (see below), whose sum is σ = 534383360. Its totient is φ = 298306800.

The previous prime is 404111303. The next prime is 404111347. The reversal of 404111323 is 323111404.

It is a de Polignac number, because none of the positive numbers 2^k-404111323 is a prime.

It is a super-2 number, since 2×404111323² = 326611922753620658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 404111323.

It is not an unprimeable number, because it can be changed into a prime (404111303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3538 + ... + 28648.

Almost surely, 2^404111323 is an apocalyptic number.

404111323 is a deficient number, since it is larger than the sum of its proper divisors (130272037).

404111323 is a wasteful number, since it uses less digits than its factorization.

404111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25159 (or 25148 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 404111323 is about 20102.5203146272. The cubic root of 404111323 is about 739.3220739199.

Adding to 404111323 its reverse (323111404), we get a palindrome (727222727).

The spelling of 404111323 in words is "four hundred four million, one hundred eleven thousand, three hundred twenty-three".