12323045011 has 4 divisors (see below), whose sum is σ = 12720562624. Its totient is φ = 11925527400.

The previous prime is 12323044973. The next prime is 12323045039. The reversal of 12323045011 is 11054032321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11054032321 = 30103 ⋅367207.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12323045011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12323045411) 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 in 3 ways as a sum of consecutive naturals, for example, 198758760 + ... + 198758821.

It is an arithmetic number, because the mean of its divisors is an integer number (3180140656).

Almost surely, 2^12323045011 is an apocalyptic number.

12323045011 is a deficient number, since it is larger than the sum of its proper divisors (397517613).

12323045011 is an equidigital number, since it uses as much as digits as its factorization.

12323045011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397517612.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 12323045011 its reverse (11054032321), we get a palindrome (23377077332).

The spelling of 12323045011 in words is "twelve billion, three hundred twenty-three million, forty-five thousand, eleven".