404296423 has 2 divisors, whose sum is σ = 404296424. Its totient is φ = 404296422.

The previous prime is 404296393. The next prime is 404296427. The reversal of 404296423 is 324692404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404296423 - 2⁵ = 404296391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404296427) 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 as a sum of consecutive naturals, namely, 202148211 + 202148212.

It is an arithmetic number, because the mean of its divisors is an integer number (202148212).

Almost surely, 2^404296423 is an apocalyptic number.

404296423 is a deficient number, since it is larger than the sum of its proper divisors (1).

404296423 is an equidigital number, since it uses as much as digits as its factorization.

404296423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 404296423 is about 20107.1236878873. The cubic root of 404296423 is about 739.4349369020.

The spelling of 404296423 in words is "four hundred four million, two hundred ninety-six thousand, four hundred twenty-three".