423320330 has 32 divisors (see below), whose sum is σ = 788296320. Its totient is φ = 163546560.

The previous prime is 423320321. The next prime is 423320341. The reversal of 423320330 is 33023324.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47315 + ... + 55545.

It is an arithmetic number, because the mean of its divisors is an integer number (24634260).

Almost surely, 2^423320330 is an apocalyptic number.

423320330 is a deficient number, since it is larger than the sum of its proper divisors (364975990).

423320330 is a wasteful number, since it uses less digits than its factorization.

423320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414.

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 423320330 is about 20574.7498162189. The cubic root of 423320330 is about 750.8555156049.

Adding to 423320330 its reverse (33023324), we get a palindrome (456343654).

The spelling of 423320330 in words is "four hundred twenty-three million, three hundred twenty thousand, three hundred thirty".