13523453239 has 2 divisors, whose sum is σ = 13523453240. Its totient is φ = 13523453238.

The previous prime is 13523453227. The next prime is 13523453261. The reversal of 13523453239 is 93235432531.

It is a happy number.

13523453239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13523453239 - 2⁹ = 13523452727 is a prime.

It is a super-2 number, since 2×13523453239² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13523453939) 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, 6761726619 + 6761726620.

It is an arithmetic number, because the mean of its divisors is an integer number (6761726620).

Almost surely, 2^13523453239 is an apocalyptic number.

13523453239 is a deficient number, since it is larger than the sum of its proper divisors (1).

13523453239 is an equidigital number, since it uses as much as digits as its factorization.

13523453239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 40.

The spelling of 13523453239 in words is "thirteen billion, five hundred twenty-three million, four hundred fifty-three thousand, two hundred thirty-nine".