12323013013 has 4 divisors (see below), whose sum is σ = 12623574348. Its totient is φ = 12022451680.

The previous prime is 12323013011. The next prime is 12323013029. The reversal of 12323013013 is 31031032321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5479256484 + 6843756529 = 74022^2 + 82727^2 .

It is a cyclic number.

It is not a de Polignac number, because 12323013013 - 2¹ = 12323013011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323013011) 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, 150280606 + ... + 150280687.

It is an arithmetic number, because the mean of its divisors is an integer number (3155893587).

Almost surely, 2^12323013013 is an apocalyptic number.

It is an amenable number.

12323013013 is a deficient number, since it is larger than the sum of its proper divisors (300561335).

12323013013 is an equidigital number, since it uses as much as digits as its factorization.

12323013013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300561334.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12323013013 its reverse (31031032321), we get a palindrome (43354045334).

The spelling of 12323013013 in words is "twelve billion, three hundred twenty-three million, thirteen thousand, thirteen".