423650668 has 36 divisors (see below), whose sum is σ = 880800480. Its totient is φ = 177697632.

The previous prime is 423650611. The next prime is 423650699. The reversal of 423650668 is 866056324.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 423650668.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13783 + ... + 32206.

It is an arithmetic number, because the mean of its divisors is an integer number (24466680).

Almost surely, 2^423650668 is an apocalyptic number.

It is an amenable number.

423650668 is an abundant number, since it is smaller than the sum of its proper divisors (457149812).

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

423650668 is a wasteful number, since it uses less digits than its factorization.

423650668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46054 (or 46045 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 423650668 is about 20582.7760032509. The cubic root of 423650668 is about 751.0507748458.

The spelling of 423650668 in words is "four hundred twenty-three million, six hundred fifty thousand, six hundred sixty-eight".