12366663723573 has 32 divisors (see below), whose sum is σ = 17520972094080. Its totient is φ = 7758703929600.

The previous prime is 12366663723563. The next prime is 12366663723581. The reversal of 12366663723573 is 37532736666321.

It is not a de Polignac number, because 12366663723573 - 2⁹ = 12366663723061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12366663723553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172425186 + ... + 172496892.

It is an arithmetic number, because the mean of its divisors is an integer number (547530377940).

Almost surely, 2^{12366663723573} is an apocalyptic number.

It is an amenable number.

12366663723573 is a deficient number, since it is larger than the sum of its proper divisors (5154308370507).

12366663723573 is an equidigital number, since it uses as much as digits as its factorization.

12366663723573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83462 (or 83428 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 60.

The spelling of 12366663723573 in words is "twelve trillion, three hundred sixty-six billion, six hundred sixty-three million, seven hundred twenty-three thousand, five hundred seventy-three".