13223660347 has 4 divisors (see below), whose sum is σ = 13382981640. Its totient is φ = 13064339056.

The previous prime is 13223660321. The next prime is 13223660369. The reversal of 13223660347 is 74306632231.

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 13223660347 - 2¹¹ = 13223658299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13223664347) 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, 79660522 + ... + 79660687.

It is an arithmetic number, because the mean of its divisors is an integer number (3345745410).

Almost surely, 2^13223660347 is an apocalyptic number.

13223660347 is a deficient number, since it is larger than the sum of its proper divisors (159321293).

13223660347 is an equidigital number, since it uses as much as digits as its factorization.

13223660347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159321292.

The product of its (nonzero) digits is 108864, while the sum is 37.

The spelling of 13223660347 in words is "thirteen billion, two hundred twenty-three million, six hundred sixty thousand, three hundred forty-seven".