12243123344 has 10 divisors (see below), whose sum is σ = 23721051510. Its totient is φ = 6121561664.

The previous prime is 12243123311. The next prime is 12243123349. The reversal of 12243123344 is 44332134221.

It can be written as a sum of positive squares in only one way, i.e., 7640857744 + 4602265600 = 87412^2 + 67840^2 .

It is not an unprimeable number, because it can be changed into a prime (12243123349) 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 as a sum of consecutive naturals, namely, 382597589 + ... + 382597620.

It is an arithmetic number, because the mean of its divisors is an integer number (2372105151).

Almost surely, 2^12243123344 is an apocalyptic number.

It is an amenable number.

12243123344 is a deficient number, since it is larger than the sum of its proper divisors (11477928166).

12243123344 is an equidigital number, since it uses as much as digits as its factorization.

12243123344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765195217 (or 765195211 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 12243123344 its reverse (44332134221), we get a palindrome (56575257565).

The spelling of 12243123344 in words is "twelve billion, two hundred forty-three million, one hundred twenty-three thousand, three hundred forty-four".