423126646 has 8 divisors (see below), whose sum is σ = 656575920. Its totient is φ = 204268008.

The previous prime is 423126619. The next prime is 423126679. The reversal of 423126646 is 646621324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3647586 + ... + 3647701.

It is an arithmetic number, because the mean of its divisors is an integer number (82071990).

Almost surely, 2^423126646 is an apocalyptic number.

423126646 is a deficient number, since it is larger than the sum of its proper divisors (233449274).

423126646 is a wasteful number, since it uses less digits than its factorization.

423126646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7295318.

The product of its digits is 41472, while the sum is 34.

The square root of 423126646 is about 20570.0424404035. The cubic root of 423126646 is about 750.7409838310.

The spelling of 423126646 in words is "four hundred twenty-three million, one hundred twenty-six thousand, six hundred forty-six".