423520446 has 16 divisors (see below), whose sum is σ = 847818000. Its totient is φ = 141043968.

The previous prime is 423520411. The next prime is 423520451. The reversal of 423520446 is 644025324.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 25171 + ... + 38478.

It is an arithmetic number, because the mean of its divisors is an integer number (52988625).

Almost surely, 2^423520446 is an apocalyptic number.

423520446 is an abundant number, since it is smaller than the sum of its proper divisors (424297554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423520446 is a wasteful number, since it uses less digits than its factorization.

423520446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64763.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 423520446 is about 20579.6123870203. The cubic root of 423520446 is about 750.9738141452.

The spelling of 423520446 in words is "four hundred twenty-three million, five hundred twenty thousand, four hundred forty-six".