12323664145 has 16 divisors (see below), whose sum is σ = 16226460432. Its totient is φ = 8928840960.

The previous prime is 12323664139. The next prime is 12323664149. The reversal of 12323664145 is 54146632321.

It is a Cunningham number, because it is equal to 111012²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 92852496 + 12230811649 = 9636^2 + 110593^2 .

It is not a de Polignac number, because 12323664145 - 2⁵ = 12323664113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12323664149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1785186 + ... + 1792075.

It is an arithmetic number, because the mean of its divisors is an integer number (1014153777).

Almost surely, 2^12323664145 is an apocalyptic number.

It is an amenable number.

12323664145 is a deficient number, since it is larger than the sum of its proper divisors (3902796287).

12323664145 is a wasteful number, since it uses less digits than its factorization.

12323664145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577332.

The product of its digits is 103680, while the sum is 37.

The spelling of 12323664145 in words is "twelve billion, three hundred twenty-three million, six hundred sixty-four thousand, one hundred forty-five".