423331244 has 12 divisors (see below), whose sum is σ = 846662544. Its totient is φ = 181427664.

The previous prime is 423331213. The next prime is 423331253. The reversal of 423331244 is 442133324.

423331244 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7559459 + ... + 7559514.

It is an arithmetic number, because the mean of its divisors is an integer number (70555212).

Almost surely, 2^423331244 is an apocalyptic number.

It is an amenable number.

423331244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

423331244 is a wasteful number, since it uses less digits than its factorization.

423331244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15118984 (or 15118982 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

The square root of 423331244 is about 20575.0150425218. The cubic root of 423331244 is about 750.8619683753.

Adding to 423331244 its reverse (442133324), we get a palindrome (865464568).

The spelling of 423331244 in words is "four hundred twenty-three million, three hundred thirty-one thousand, two hundred forty-four".