11323443412 has 12 divisors (see below), whose sum is σ = 19827552276. Its totient is φ = 5658428480.

The previous prime is 11323443403. The next prime is 11323443413. The reversal of 11323443412 is 21434432311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10352248516 + 971194896 = 101746^2 + 31164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323443413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815563 + ... + 829330.

It is an arithmetic number, because the mean of its divisors is an integer number (1652296023).

Almost surely, 2^11323443412 is an apocalyptic number.

It is an amenable number.

11323443412 is a deficient number, since it is larger than the sum of its proper divisors (8504108864).

11323443412 is a wasteful number, since it uses less digits than its factorization.

11323443412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646618 (or 1646616 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 11323443412 its reverse (21434432311), we get a palindrome (32757875723).

The spelling of 11323443412 in words is "eleven billion, three hundred twenty-three million, four hundred forty-three thousand, four hundred twelve".