404023113 has 16 divisors (see below), whose sum is σ = 644595840. Its totient is φ = 248629392.

The previous prime is 404023111. The next prime is 404023153. The reversal of 404023113 is 311320404.

It is not a de Polignac number, because 404023113 - 2¹ = 404023111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404023111) 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 15 ways as a sum of consecutive naturals, for example, 575181 + ... + 575882.

It is an arithmetic number, because the mean of its divisors is an integer number (40287240).

Almost surely, 2^404023113 is an apocalyptic number.

It is an amenable number.

404023113 is a deficient number, since it is larger than the sum of its proper divisors (240572727).

404023113 is a wasteful number, since it uses less digits than its factorization.

404023113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151085 (or 1151079 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 404023113 is about 20100.3261913831. The cubic root of 404023113 is about 739.2682765773.

Adding to 404023113 its reverse (311320404), we get a palindrome (715343517).

The spelling of 404023113 in words is "four hundred four million, twenty-three thousand, one hundred thirteen".