423304212 has 48 divisors (see below), whose sum is σ = 1016547840. Its totient is φ = 137020128.

The previous prime is 423304207. The next prime is 423304223. The reversal of 423304212 is 212403324.

It is a super-4 number, since 4×423304212⁴ (a number of 36 digits) contains 4444 as substring.

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 15 ways as a sum of consecutive naturals, for example, 90073 + ... + 94655.

It is an arithmetic number, because the mean of its divisors is an integer number (21178080).

Almost surely, 2^423304212 is an apocalyptic number.

It is an amenable number.

423304212 is an abundant number, since it is smaller than the sum of its proper divisors (593243628).

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

423304212 is a wasteful number, since it uses less digits than its factorization.

423304212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812 (or 4810 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 423304212 is about 20574.3581187847. The cubic root of 423304212 is about 750.8459858296.

Adding to 423304212 its reverse (212403324), we get a palindrome (635707536).

The spelling of 423304212 in words is "four hundred twenty-three million, three hundred four thousand, two hundred twelve".