12243071593 has 4 divisors (see below), whose sum is σ = 12252340948. Its totient is φ = 12233802240.

The previous prime is 12243071573. The next prime is 12243071597. The reversal of 12243071593 is 39517034221.

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 10952250409 + 1290821184 = 104653^2 + 35928^2 .

It is a cyclic number.

It is not a de Polignac number, because 12243071593 - 2¹³ = 12243063401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12243071597) 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, 4632696 + ... + 4635337.

It is an arithmetic number, because the mean of its divisors is an integer number (3063085237).

Almost surely, 2^12243071593 is an apocalyptic number.

It is an amenable number.

12243071593 is a deficient number, since it is larger than the sum of its proper divisors (9269355).

12243071593 is an equidigital number, since it uses as much as digits as its factorization.

12243071593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9269354.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 12243071593 in words is "twelve billion, two hundred forty-three million, seventy-one thousand, five hundred ninety-three".