423641208 has 16 divisors (see below), whose sum is σ = 1059103080. Its totient is φ = 141213728.

The previous prime is 423641191. The next prime is 423641237. The reversal of 423641208 is 802146324.

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, 8825835 + ... + 8825882.

Almost surely, 2^423641208 is an apocalyptic number.

It is an amenable number.

423641208 is an abundant number, since it is smaller than the sum of its proper divisors (635461872).

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

423641208 is a wasteful number, since it uses less digits than its factorization.

423641208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17651726 (or 17651722 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 423641208 is about 20582.5461981748. The cubic root of 423641208 is about 751.0451845535.

The spelling of 423641208 in words is "four hundred twenty-three million, six hundred forty-one thousand, two hundred eight".