12443023422 has 24 divisors (see below), whose sum is σ = 27075600864. Its totient is φ = 4129871904.

The previous prime is 12443023393. The next prime is 12443023423. The reversal of 12443023422 is 22432034421.

12443023422 is a `hidden beast` number, since 12 + 4 + 4 + 302 + 342 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443023423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1479238 + ... + 1487625.

It is an arithmetic number, because the mean of its divisors is an integer number (1128150036).

Almost surely, 2^12443023422 is an apocalyptic number.

12443023422 is an abundant number, since it is smaller than the sum of its proper divisors (14632577442).

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

12443023422 is a wasteful number, since it uses less digits than its factorization.

12443023422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967104 (or 2967101 counting only the distinct ones).

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

Adding to 12443023422 its reverse (22432034421), we get a palindrome (34875057843).

The spelling of 12443023422 in words is "twelve billion, four hundred forty-three million, twenty-three thousand, four hundred twenty-two".