423110020 has 12 divisors (see below), whose sum is σ = 888531084. Its totient is φ = 169244000.

The previous prime is 423109961. The next prime is 423110033. The reversal of 423110020 is 20011324.

It can be written as a sum of positive squares in 2 ways, for example, as 194435136 + 228674884 = 13944^2 + 15122^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10577731 + ... + 10577770.

It is an arithmetic number, because the mean of its divisors is an integer number (74044257).

Almost surely, 2^423110020 is an apocalyptic number.

It is an amenable number.

423110020 is an abundant number, since it is smaller than the sum of its proper divisors (465421064).

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

423110020 is a wasteful number, since it uses less digits than its factorization.

423110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21155510 (or 21155508 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 423110020 is about 20569.6383050359. The cubic root of 423110020 is about 750.7311506970.

Adding to 423110020 its reverse (20011324), we get a palindrome (443121344).

The spelling of 423110020 in words is "four hundred twenty-three million, one hundred ten thousand, twenty".