13423321441 has 2 divisors, whose sum is σ = 13423321442. Its totient is φ = 13423321440.

The previous prime is 13423321421. The next prime is 13423321453. The reversal of 13423321441 is 14412332431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9114711841 + 4308609600 = 95471^2 + 65640^2 .

It is a cyclic number.

It is not a de Polignac number, because 13423321441 - 2⁵ = 13423321409 is a prime.

It is not a weakly prime, because it can be changed into another prime (13423321421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711660720 + 6711660721.

It is an arithmetic number, because the mean of its divisors is an integer number (6711660721).

Almost surely, 2^13423321441 is an apocalyptic number.

It is an amenable number.

13423321441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423321441 is an equidigital number, since it uses as much as digits as its factorization.

13423321441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 28.

Adding to 13423321441 its reverse (14412332431), we get a palindrome (27835653872).

The spelling of 13423321441 in words is "thirteen billion, four hundred twenty-three million, three hundred twenty-one thousand, four hundred forty-one".