404424440023 has 2 divisors, whose sum is σ = 404424440024. Its totient is φ = 404424440022.

The previous prime is 404424440003. The next prime is 404424440029. The reversal of 404424440023 is 320044424404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404424440023 - 2⁹ = 404424439511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404424440029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202212220011 + 202212220012.

It is an arithmetic number, because the mean of its divisors is an integer number (202212220012).

Almost surely, 2^404424440023 is an apocalyptic number.

404424440023 is a deficient number, since it is larger than the sum of its proper divisors (1).

404424440023 is an equidigital number, since it uses as much as digits as its factorization.

404424440023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 404424440023 its reverse (320044424404), we get a palindrome (724468864427).

The spelling of 404424440023 in words is "four hundred four billion, four hundred twenty-four million, four hundred forty thousand, twenty-three".