12311144243 has 8 divisors (see below), whose sum is σ = 12853917216. Its totient is φ = 11768996800.

The previous prime is 12311144239. The next prime is 12311144291. The reversal of 12311144243 is 34244111321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12311144243 - 2² = 12311144239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311144213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115928 + ... + 195093.

It is an arithmetic number, because the mean of its divisors is an integer number (1606739652).

Almost surely, 2^12311144243 is an apocalyptic number.

12311144243 is a deficient number, since it is larger than the sum of its proper divisors (542772973).

12311144243 is a wasteful number, since it uses less digits than its factorization.

12311144243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312765.

The product of its digits is 2304, while the sum is 26.

Adding to 12311144243 its reverse (34244111321), we get a palindrome (46555255564).

The spelling of 12311144243 in words is "twelve billion, three hundred eleven million, one hundred forty-four thousand, two hundred forty-three".