423443404 has 12 divisors (see below), whose sum is σ = 742650664. Its totient is φ = 211257504.

The previous prime is 423443357. The next prime is 423443437. The reversal of 423443404 is 404344324.

It is a super-2 number, since 2×423443404² = 358608632782214432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113994 + ... + 117649.

Almost surely, 2^423443404 is an apocalyptic number.

It is an amenable number.

423443404 is a deficient number, since it is larger than the sum of its proper divisors (319207260).

423443404 is a wasteful number, since it uses less digits than its factorization.

423443404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232104 (or 232102 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 423443404 is about 20577.7404979264. The cubic root of 423443404 is about 750.9282751921.

Adding to 423443404 its reverse (404344324), we get a palindrome (827787728).

The spelling of 423443404 in words is "four hundred twenty-three million, four hundred forty-three thousand, four hundred four".