12651063323 has 4 divisors (see below), whose sum is σ = 12651335568. Its totient is φ = 12650791080.

The previous prime is 12651063307. The next prime is 12651063401. The reversal of 12651063323 is 32336015621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12651063323 - 2⁴ = 12651063307 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 12651063323.

It is not an unprimeable number, because it can be changed into a prime (12651063223) 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, 46943 + ... + 165848.

It is an arithmetic number, because the mean of its divisors is an integer number (3162833892).

Almost surely, 2^12651063323 is an apocalyptic number.

12651063323 is a deficient number, since it is larger than the sum of its proper divisors (272245).

12651063323 is an equidigital number, since it uses as much as digits as its factorization.

12651063323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272244.

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 12651063323 its reverse (32336015621), we get a palindrome (44987078944).

The spelling of 12651063323 in words is "twelve billion, six hundred fifty-one million, sixty-three thousand, three hundred twenty-three".