13220313223 has 8 divisors (see below), whose sum is σ = 14417480000. Its totient is φ = 12048892128.

The previous prime is 13220313181. The next prime is 13220313241. The reversal of 13220313223 is 32231302231.

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

It is not a de Polignac number, because 13220313223 - 2⁹ = 13220312711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13220313194 and 13220313203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220313263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6435348 + ... + 6437401.

It is an arithmetic number, because the mean of its divisors is an integer number (1802185000).

Almost surely, 2^13220313223 is an apocalyptic number.

13220313223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13220313223 is a deficient number, since it is larger than the sum of its proper divisors (1197166777).

13220313223 is a wasteful number, since it uses less digits than its factorization.

13220313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12872841.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13220313223 its reverse (32231302231), we get a palindrome (45451615454).

The spelling of 13220313223 in words is "thirteen billion, two hundred twenty million, three hundred thirteen thousand, two hundred twenty-three".