423340330 has 32 divisors (see below), whose sum is σ = 916709760. Its totient is φ = 137505600.

The previous prime is 423340321. The next prime is 423340331. The reversal of 423340330 is 33043324.

It is not an unprimeable number, because it can be changed into a prime (423340331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157821 + ... + 160480.

It is an arithmetic number, because the mean of its divisors is an integer number (28647180).

Almost surely, 2^423340330 is an apocalyptic number.

423340330 is an abundant number, since it is smaller than the sum of its proper divisors (493369430).

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

423340330 is a wasteful number, since it uses less digits than its factorization.

423340330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318334.

The product of its (nonzero) digits is 2592, while the sum is 22.

The square root of 423340330 is about 20575.2358431198. The cubic root of 423340330 is about 750.8673402782.

Adding to 423340330 its reverse (33043324), we get a palindrome (456383654).

The spelling of 423340330 in words is "four hundred twenty-three million, three hundred forty thousand, three hundred thirty".