12643036223 has 4 divisors (see below), whose sum is σ = 12653160000. Its totient is φ = 12632912448.

The previous prime is 12643036199. The next prime is 12643036247. The reversal of 12643036223 is 32263034621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32263034621 = 3229 ⋅9991649.

It is an interprime number because it is at equal distance from previous prime (12643036199) and next prime (12643036247).

It is a cyclic number.

It is not a de Polignac number, because 12643036223 - 2⁸ = 12643035967 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 12643036223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12643036723) 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, 5060015 + ... + 5062512.

It is an arithmetic number, because the mean of its divisors is an integer number (3163290000).

Almost surely, 2^12643036223 is an apocalyptic number.

12643036223 is a deficient number, since it is larger than the sum of its proper divisors (10123777).

12643036223 is a wasteful number, since it uses less digits than its factorization.

12643036223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10123776.

The product of its (nonzero) digits is 31104, while the sum is 32.

The spelling of 12643036223 in words is "twelve billion, six hundred forty-three million, thirty-six thousand, two hundred twenty-three".