404767423 has 2 divisors, whose sum is σ = 404767424. Its totient is φ = 404767422.

The previous prime is 404767421. The next prime is 404767439. The reversal of 404767423 is 324767404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404767423 - 2¹ = 404767421 is a prime.

Together with 404767421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404767421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202383711 + 202383712.

It is an arithmetic number, because the mean of its divisors is an integer number (202383712).

Almost surely, 2^404767423 is an apocalyptic number.

404767423 is a deficient number, since it is larger than the sum of its proper divisors (1).

404767423 is an equidigital number, since it uses as much as digits as its factorization.

404767423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 37.

The square root of 404767423 is about 20118.8325456523. The cubic root of 404767423 is about 739.7219694505.

The spelling of 404767423 in words is "four hundred four million, seven hundred sixty-seven thousand, four hundred twenty-three".