13220232223 has 16 divisors (see below), whose sum is σ = 15625564416. Its totient is φ = 11048365440.

The previous prime is 13220232187. The next prime is 13220232227. The reversal of 13220232223 is 32223202231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13220232223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13220232194 and 13220232203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220232227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814011 + ... + 830092.

It is an arithmetic number, because the mean of its divisors is an integer number (976597776).

Almost surely, 2^13220232223 is an apocalyptic number.

13220232223 is a deficient number, since it is larger than the sum of its proper divisors (2405332193).

13220232223 is a wasteful number, since it uses less digits than its factorization.

13220232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644174.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 13220232223 its reverse (32223202231), we get a palindrome (45443434454).

The spelling of 13220232223 in words is "thirteen billion, two hundred twenty million, two hundred thirty-two thousand, two hundred twenty-three".