12173584723 has 4 divisors (see below), whose sum is σ = 12889677960. Its totient is φ = 11457491488.

The previous prime is 12173584699. The next prime is 12173584751. The reversal of 12173584723 is 32748537121.

12173584723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32748537121 = 178333 ⋅183637.

It is a cyclic number.

It is not a de Polignac number, because 12173584723 - 2⁵ = 12173584691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12173584723.

It is not an unprimeable number, because it can be changed into a prime (12173584793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358046593 + ... + 358046626.

It is an arithmetic number, because the mean of its divisors is an integer number (3222419490).

Almost surely, 2^12173584723 is an apocalyptic number.

12173584723 is a deficient number, since it is larger than the sum of its proper divisors (716093237).

12173584723 is an equidigital number, since it uses as much as digits as its factorization.

12173584723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716093236.

The product of its digits is 282240, while the sum is 43.

The spelling of 12173584723 in words is "twelve billion, one hundred seventy-three million, five hundred eighty-four thousand, seven hundred twenty-three".