404263423 has 2 divisors, whose sum is σ = 404263424. Its totient is φ = 404263422.

The previous prime is 404263411. The next prime is 404263469. The reversal of 404263423 is 324362404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404263423 - 2¹³ = 404255231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404263391 and 404263400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404263493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202131711 + 202131712.

It is an arithmetic number, because the mean of its divisors is an integer number (202131712).

Almost surely, 2^404263423 is an apocalyptic number.

404263423 is a deficient number, since it is larger than the sum of its proper divisors (1).

404263423 is an equidigital number, since it uses as much as digits as its factorization.

404263423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 404263423 is about 20106.3030664516. The cubic root of 404263423 is about 739.4148179864.

The spelling of 404263423 in words is "four hundred four million, two hundred sixty-three thousand, four hundred twenty-three".