422323143144 has 128 divisors (see below), whose sum is σ = 1303690464000. Its totient is φ = 113565849600.

The previous prime is 422323143089. The next prime is 422323143149. The reversal of 422323143144 is 441341323224.

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

It is not an unprimeable number, because it can be changed into a prime (422323143149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1368957 + ... + 1648844.

It is an arithmetic number, because the mean of its divisors is an integer number (10185081750).

Almost surely, 2^422323143144 is an apocalyptic number.

It is an amenable number.

422323143144 is an abundant number, since it is smaller than the sum of its proper divisors (881367320856).

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

422323143144 is a wasteful number, since it uses less digits than its factorization.

422323143144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017848 (or 3017830 counting only the distinct ones).

The product of its digits is 55296, while the sum is 33.

Adding to 422323143144 its reverse (441341323224), we get a palindrome (863664466368).

The spelling of 422323143144 in words is "four hundred twenty-two billion, three hundred twenty-three million, one hundred forty-three thousand, one hundred forty-four".