404423313163 has 2 divisors, whose sum is σ = 404423313164. Its totient is φ = 404423313162.

The previous prime is 404423313139. The next prime is 404423313361. The reversal of 404423313163 is 361313324404.

Together with next prime (404423313361) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404423313163 - 2²⁹ = 403886442251 is a prime.

It is not a weakly prime, because it can be changed into another prime (404423313563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202211656581 + 202211656582.

It is an arithmetic number, because the mean of its divisors is an integer number (202211656582).

Almost surely, 2^404423313163 is an apocalyptic number.

404423313163 is a deficient number, since it is larger than the sum of its proper divisors (1).

404423313163 is an equidigital number, since it uses as much as digits as its factorization.

404423313163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 404423313163 its reverse (361313324404), we get a palindrome (765736637567).

The spelling of 404423313163 in words is "four hundred four billion, four hundred twenty-three million, three hundred thirteen thousand, one hundred sixty-three".