423150444 has 72 divisors (see below), whose sum is σ = 1152191040. Its totient is φ = 130509792.

The previous prime is 423150443. The next prime is 423150457. The reversal of 423150444 is 444051324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (423150443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22219 + ... + 36605.

Almost surely, 2^423150444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423150444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576095520).

423150444 is an abundant number, since it is smaller than the sum of its proper divisors (729040596).

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

423150444 is a wasteful number, since it uses less digits than its factorization.

423150444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14459 (or 14454 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 423150444 is about 20570.6208948588. The cubic root of 423150444 is about 750.7550582609.

The spelling of 423150444 in words is "four hundred twenty-three million, one hundred fifty thousand, four hundred forty-four".