13221002323 has 16 divisors (see below), whose sum is σ = 14238106560.
Its totient is φ = 12230784000.
The previous prime is 13221002317. The next prime is 13221002329. The reversal of 13221002323 is 32320012231.
Adding to 13221002323 its reverse (32320012231), we get a palindrome (45541014554).
It is an interprime number because it is at equal distance from previous prime (13221002317) and next prime (13221002329).
It is a cyclic number.
It is not a de Polignac number, because 13221002323 - 213 = 13220994131 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13221002323.
It is not an unprimeable number, because it can be changed into a prime (13221002329) 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, 1864098 + ... + 1871176.
It is an arithmetic number, because the mean of its divisors is an integer number (889881660).
Almost surely, 213221002323 is an apocalyptic number.
13221002323 is a deficient number, since it is larger than the sum of its proper divisors (1017104237).
13221002323 is a wasteful number, since it uses less digits than its factorization.
13221002323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8958.
The product of its (nonzero) digits is 432, while the sum is 19.
The spelling of 13221002323 in words is "thirteen billion, two hundred twenty-one million, two thousand, three hundred twenty-three".