423206668 has 12 divisors (see below), whose sum is σ = 764502592. Its totient is φ = 204777360.

The previous prime is 423206611. The next prime is 423206669. The reversal of 423206668 is 866602324.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (423206669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706355 + ... + 1706602.

Almost surely, 2^423206668 is an apocalyptic number.

It is an amenable number.

423206668 is a deficient number, since it is larger than the sum of its proper divisors (341295924).

423206668 is a wasteful number, since it uses less digits than its factorization.

423206668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412992 (or 3412990 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 423206668 is about 20571.9874586779. The cubic root of 423206668 is about 750.7883077302.

The spelling of 423206668 in words is "four hundred twenty-three million, two hundred six thousand, six hundred sixty-eight".