13220012311323 has 32 divisors (see below), whose sum is σ = 18724081506624. Its totient is φ = 8268018941952.

The previous prime is 13220012311267. The next prime is 13220012311327. The reversal of 13220012311323 is 32311321002231.

It is not a de Polignac number, because 13220012311323 - 2¹⁴ = 13220012294939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13220012311293 and 13220012311302.

It is not an unprimeable number, because it can be changed into a prime (13220012311327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63436311 + ... + 63644367.

It is an arithmetic number, because the mean of its divisors is an integer number (585127547082).

Almost surely, 2^{13220012311323} is an apocalyptic number.

13220012311323 is a deficient number, since it is larger than the sum of its proper divisors (5504069195301).

13220012311323 is a wasteful number, since it uses less digits than its factorization.

13220012311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212111.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13220012311323 its reverse (32311321002231), we get a palindrome (45531333313554).

The spelling of 13220012311323 in words is "thirteen trillion, two hundred twenty billion, twelve million, three hundred eleven thousand, three hundred twenty-three".