423370206 has 64 divisors (see below), whose sum is σ = 1104322560. Its totient is φ = 117689760.

The previous prime is 423370163. The next prime is 423370229. The reversal of 423370206 is 602073324.

423370206 is a `hidden beast` number, since 423 + 37 + 0 + 206 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 423370206.

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 31 ways as a sum of consecutive naturals, for example, 1150 + ... + 29121.

It is an arithmetic number, because the mean of its divisors is an integer number (17255040).

Almost surely, 2^423370206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423370206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552161280).

423370206 is an abundant number, since it is smaller than the sum of its proper divisors (680952354).

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

423370206 is a wasteful number, since it uses less digits than its factorization.

423370206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30326 (or 30320 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 423370206 is about 20575.9618487205. The cubic root of 423370206 is about 750.8850032815.

The spelling of 423370206 in words is "four hundred twenty-three million, three hundred seventy thousand, two hundred six".