404234432423 has 2 divisors, whose sum is σ = 404234432424. Its totient is φ = 404234432422.

The previous prime is 404234432389. The next prime is 404234432473. The reversal of 404234432423 is 324234432404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404234432423 - 2⁸ = 404234432167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404234432473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202117216211 + 202117216212.

It is an arithmetic number, because the mean of its divisors is an integer number (202117216212).

Almost surely, 2^404234432423 is an apocalyptic number.

404234432423 is a deficient number, since it is larger than the sum of its proper divisors (1).

404234432423 is an equidigital number, since it uses as much as digits as its factorization.

404234432423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 404234432423 its reverse (324234432404), we get a palindrome (728468864827).

The spelling of 404234432423 in words is "four hundred four billion, two hundred thirty-four million, four hundred thirty-two thousand, four hundred twenty-three".