13223321335145 has 16 divisors (see below), whose sum is σ = 16199523631872. Its totient is φ = 10358425346880.

The previous prime is 13223321335141. The next prime is 13223321335153. The reversal of 13223321335145 is 54153312332231.

It is not a de Polignac number, because 13223321335145 - 2² = 13223321335141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13223321335099 and 13223321335108.

It is not an unprimeable number, because it can be changed into a prime (13223321335141) 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, 49468421 + ... + 49735010.

It is an arithmetic number, because the mean of its divisors is an integer number (1012470226992).

Almost surely, 2^{13223321335145} is an apocalyptic number.

It is an amenable number.

13223321335145 is a deficient number, since it is larger than the sum of its proper divisors (2976202296727).

13223321335145 is an equidigital number, since it uses as much as digits as its factorization.

13223321335145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99203992.

The product of its digits is 194400, while the sum is 38.

Adding to 13223321335145 its reverse (54153312332231), we get a palindrome (67376633667376).

The spelling of 13223321335145 in words is "thirteen trillion, two hundred twenty-three billion, three hundred twenty-one million, three hundred thirty-five thousand, one hundred forty-five".