13201220201323 has 16 divisors (see below), whose sum is σ = 16841423782656. Its totient is φ = 10047440319840.

The previous prime is 13201220201321. The next prime is 13201220201347. The reversal of 13201220201323 is 32310202210231.

It is not a de Polignac number, because 13201220201323 - 2¹ = 13201220201321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13201220201294 and 13201220201303.

It is not an unprimeable number, because it can be changed into a prime (13201220201321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993536436 + ... + 1993543057.

It is an arithmetic number, because the mean of its divisors is an integer number (1052588986416).

Almost surely, 2^{13201220201323} is an apocalyptic number.

13201220201323 is a deficient number, since it is larger than the sum of its proper divisors (3640203581333).

13201220201323 is a wasteful number, since it uses less digits than its factorization.

13201220201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987079554.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13201220201323 its reverse (32310202210231), we get a palindrome (45511422411554).

The spelling of 13201220201323 in words is "thirteen trillion, two hundred one billion, two hundred twenty million, two hundred one thousand, three hundred twenty-three".