13243223129 has 2 divisors, whose sum is σ = 13243223130. Its totient is φ = 13243223128.

The previous prime is 13243223101. The next prime is 13243223137. The reversal of 13243223129 is 92132234231.

13243223129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12238333129 + 1004890000 = 110627^2 + 31700^2 .

It is a cyclic number.

It is not a de Polignac number, because 13243223129 - 2²⁰ = 13242174553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13243223095 and 13243223104.

It is not a weakly prime, because it can be changed into another prime (13243223629) 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 as a sum of consecutive naturals, namely, 6621611564 + 6621611565.

It is an arithmetic number, because the mean of its divisors is an integer number (6621611565).

Almost surely, 2^13243223129 is an apocalyptic number.

It is an amenable number.

13243223129 is a deficient number, since it is larger than the sum of its proper divisors (1).

13243223129 is an equidigital number, since it uses as much as digits as its factorization.

13243223129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The spelling of 13243223129 in words is "thirteen billion, two hundred forty-three million, two hundred twenty-three thousand, one hundred twenty-nine".