423444312 has 48 divisors (see below), whose sum is σ = 1186380000. Its totient is φ = 136280256.

The previous prime is 423444299. The next prime is 423444319. The reversal of 423444312 is 213444324.

It is a happy number.

423444312 is a `hidden beast` number, since 4 + 2 + 344 + 4 + 312 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423444319) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 99312 + ... + 103487.

It is an arithmetic number, because the mean of its divisors is an integer number (24716250).

Almost surely, 2^423444312 is an apocalyptic number.

It is an amenable number.

423444312 is an abundant number, since it is smaller than the sum of its proper divisors (762935688).

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

423444312 is a wasteful number, since it uses less digits than its factorization.

423444312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202840 (or 202833 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 423444312 is about 20577.7625605895. The cubic root of 423444312 is about 750.9288119364.

Adding to 423444312 its reverse (213444324), we get a palindrome (636888636).

It can be divided in two parts, 42344 and 4312, that added together give a 6-th power (46656 = 6⁶).

The spelling of 423444312 in words is "four hundred twenty-three million, four hundred forty-four thousand, three hundred twelve".