12322323442 has 16 divisors (see below), whose sum is σ = 21714864192. Its totient is φ = 5170205520.

The previous prime is 12322323389. The next prime is 12322323467. The reversal of 12322323442 is 24432322321.

It is a self number, because there is not a number n which added to its sum of digits gives 12322323442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21542238 + ... + 21542809.

It is an arithmetic number, because the mean of its divisors is an integer number (1357179012).

Almost surely, 2^12322323442 is an apocalyptic number.

12322323442 is a deficient number, since it is larger than the sum of its proper divisors (9392540750).

12322323442 is a wasteful number, since it uses less digits than its factorization.

12322323442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43085073.

The product of its digits is 13824, while the sum is 28.

Adding to 12322323442 its reverse (24432322321), we get a palindrome (36754645763).

The spelling of 12322323442 in words is "twelve billion, three hundred twenty-two million, three hundred twenty-three thousand, four hundred forty-two".