13122131223 has 8 divisors (see below), whose sum is σ = 17498871936. Its totient is φ = 8746739000.

The previous prime is 13122131213. The next prime is 13122131251. The reversal of 13122131223 is 32213122131.

13122131223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13122131223 - 2¹⁴ = 13122114839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13122131223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122131203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314193 + ... + 353498.

It is an arithmetic number, because the mean of its divisors is an integer number (2187358992).

Almost surely, 2^13122131223 is an apocalyptic number.

13122131223 is a deficient number, since it is larger than the sum of its proper divisors (4376740713).

13122131223 is an equidigital number, since it uses as much as digits as its factorization.

13122131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674245.

The product of its digits is 432, while the sum is 21.

Adding to 13122131223 its reverse (32213122131), we get a palindrome (45335253354).

The spelling of 13122131223 in words is "thirteen billion, one hundred twenty-two million, one hundred thirty-one thousand, two hundred twenty-three".