423316646 has 8 divisors (see below), whose sum is σ = 638483664. Its totient is φ = 210488760.

The previous prime is 423316613. The next prime is 423316657. The reversal of 423316646 is 646613324.

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, 584330 + ... + 585053.

It is an arithmetic number, because the mean of its divisors is an integer number (79810458).

Almost surely, 2^423316646 is an apocalyptic number.

423316646 is a deficient number, since it is larger than the sum of its proper divisors (215167018).

423316646 is a wasteful number, since it uses less digits than its factorization.

423316646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169566.

The product of its digits is 62208, while the sum is 35.

The square root of 423316646 is about 20574.6602888116. The cubic root of 423316646 is about 750.8533374594.

The spelling of 423316646 in words is "four hundred twenty-three million, three hundred sixteen thousand, six hundred forty-six".