404023340403 has 12 divisors (see below), whose sum is σ = 614304494440. Its totient is φ = 255172635936.

The previous prime is 404023340401. The next prime is 404023340419. The reversal of 404023340403 is 304043320404.

It is not a de Polignac number, because 404023340403 - 2¹ = 404023340401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404023340401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1181354626 + ... + 1181354967.

Almost surely, 2^404023340403 is an apocalyptic number.

404023340403 is a deficient number, since it is larger than the sum of its proper divisors (210281154037).

404023340403 is a wasteful number, since it uses less digits than its factorization.

404023340403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362709618 (or 2362709615 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 404023340403 its reverse (304043320404), we get a palindrome (708066660807).

The spelling of 404023340403 in words is "four hundred four billion, twenty-three million, three hundred forty thousand, four hundred three".