423664470 has 96 divisors (see below), whose sum is σ = 1170655200. Its totient is φ = 106002432.

The previous prime is 423664469. The next prime is 423664511. The reversal of 423664470 is 74466324.

423664470 is a `hidden beast` number, since 4 + 2 + 3 + 6 + 644 + 7 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185254 + ... + 187526.

It is an arithmetic number, because the mean of its divisors is an integer number (12194325).

Almost surely, 2^423664470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423664470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585327600).

423664470 is an abundant number, since it is smaller than the sum of its proper divisors (746990730).

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

423664470 is a wasteful number, since it uses less digits than its factorization.

423664470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 423664470 is about 20583.1112808535. Note that the first 3 decimals coincide. The cubic root of 423664470 is about 751.0589308503.

The spelling of 423664470 in words is "four hundred twenty-three million, six hundred sixty-four thousand, four hundred seventy".