423203404 has 48 divisors (see below), whose sum is σ = 840284928. Its totient is φ = 185030208.

The previous prime is 423203399. The next prime is 423203437. The reversal of 423203404 is 404302324.

It is a super-2 number, since 2×423203404² = 358202242314374432, which contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 126319 + ... + 129625.

It is an arithmetic number, because the mean of its divisors is an integer number (17505936).

Almost surely, 2^423203404 is an apocalyptic number.

It is an amenable number.

423203404 is a deficient number, since it is larger than the sum of its proper divisors (417081524).

423203404 is a wasteful number, since it uses less digits than its factorization.

423203404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 423203404 is about 20571.9081273469. The cubic root of 423203404 is about 750.7863775626.

Adding to 423203404 its reverse (404302324), we get a palindrome (827505728).

The spelling of 423203404 in words is "four hundred twenty-three million, two hundred three thousand, four hundred four".