13223230635665 has 8 divisors (see below), whose sum is σ = 16059056001408. Its totient is φ = 10451131682800.

The previous prime is 13223230635649. The next prime is 13223230635697. The reversal of 13223230635665 is 56653603232231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13223230635665 - 2⁴ = 13223230635649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15931602761 + ... + 15931603590.

It is an arithmetic number, because the mean of its divisors is an integer number (2007382000176).

Almost surely, 2^{13223230635665} is an apocalyptic number.

It is an amenable number.

13223230635665 is a deficient number, since it is larger than the sum of its proper divisors (2835825365743).

13223230635665 is an equidigital number, since it uses as much as digits as its factorization.

13223230635665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31863206439.

The product of its (nonzero) digits is 3499200, while the sum is 47.

Adding to 13223230635665 its reverse (56653603232231), we get a palindrome (69876833867896).

The spelling of 13223230635665 in words is "thirteen trillion, two hundred twenty-three billion, two hundred thirty million, six hundred thirty-five thousand, six hundred sixty-five".