12356322443 has 16 divisors (see below), whose sum is σ = 12850400736. Its totient is φ = 11874781440.

The previous prime is 12356322439. The next prime is 12356322463. The reversal of 12356322443 is 34422365321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12356322443 - 2² = 12356322439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12356322403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463505 + ... + 489437.

It is an arithmetic number, because the mean of its divisors is an integer number (803150046).

Almost surely, 2^12356322443 is an apocalyptic number.

12356322443 is a deficient number, since it is larger than the sum of its proper divisors (494078293).

12356322443 is a wasteful number, since it uses less digits than its factorization.

12356322443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26174.

The product of its digits is 103680, while the sum is 35.

Adding to 12356322443 its reverse (34422365321), we get a palindrome (46778687764).

The spelling of 12356322443 in words is "twelve billion, three hundred fifty-six million, three hundred twenty-two thousand, four hundred forty-three".