404023105 has 8 divisors (see below), whose sum is σ = 513347112. Its totient is φ = 304205568.

The previous prime is 404023073. The next prime is 404023111. The reversal of 404023105 is 501320404.

It can be written as a sum of positive squares in 4 ways, for example, as 137452176 + 266570929 = 11724^2 + 16327^2 .

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 404023105 - 2⁵ = 404023073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2376522 + ... + 2376691.

It is an arithmetic number, because the mean of its divisors is an integer number (64168389).

Almost surely, 2^404023105 is an apocalyptic number.

It is an amenable number.

404023105 is a deficient number, since it is larger than the sum of its proper divisors (109324007).

404023105 is a wasteful number, since it uses less digits than its factorization.

404023105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753235.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 404023105 is about 20100.3259923813. The cubic root of 404023105 is about 739.2682716979.

Adding to 404023105 its reverse (501320404), we get a palindrome (905343509).

The spelling of 404023105 in words is "four hundred four million, twenty-three thousand, one hundred five".