12323243441 has 8 divisors (see below), whose sum is σ = 13498076520. Its totient is φ = 11198403328.

The previous prime is 12323243399. The next prime is 12323243453. The reversal of 12323243441 is 14434232321.

It can be written as a sum of positive squares in 4 ways, for example, as 5535955216 + 6787288225 = 74404^2 + 82385^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12323243441 is a prime.

It is a super-2 number, since 2×12323243441² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12323243341) 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, 12497726 + ... + 12498711.

It is an arithmetic number, because the mean of its divisors is an integer number (1687259565).

Almost surely, 2^12323243441 is an apocalyptic number.

It is an amenable number.

12323243441 is a deficient number, since it is larger than the sum of its proper divisors (1174833079).

12323243441 is a wasteful number, since it uses less digits than its factorization.

12323243441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24996483.

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

Adding to 12323243441 its reverse (14434232321), we get a palindrome (26757475762).

The spelling of 12323243441 in words is "twelve billion, three hundred twenty-three million, two hundred forty-three thousand, four hundred forty-one".