423321244 has 24 divisors (see below), whose sum is σ = 765564800. Its totient is φ = 204603840.

The previous prime is 423321221. The next prime is 423321271. The reversal of 423321244 is 442123324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176002 + ... + 178390.

Almost surely, 2^423321244 is an apocalyptic number.

It is an amenable number.

423321244 is a deficient number, since it is larger than the sum of its proper divisors (342243556).

423321244 is a wasteful number, since it uses less digits than its factorization.

423321244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853 (or 3851 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 423321244 is about 20574.7720278986. The cubic root of 423321244 is about 750.8560560006.

Adding to 423321244 its reverse (442123324), we get a palindrome (865444568).

The spelling of 423321244 in words is "four hundred twenty-three million, three hundred twenty-one thousand, two hundred forty-four".