13243254235 has 16 divisors (see below), whose sum is σ = 16832295072. Its totient is φ = 9968089600.

The previous prime is 13243254209. The next prime is 13243254247. The reversal of 13243254235 is 53245234231.

13243254235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-13243254235 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13243254235.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 249600 + ... + 297970.

It is an arithmetic number, because the mean of its divisors is an integer number (1052018442).

Almost surely, 2^13243254235 is an apocalyptic number.

13243254235 is a deficient number, since it is larger than the sum of its proper divisors (3589040837).

13243254235 is a wasteful number, since it uses less digits than its factorization.

13243254235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51614.

The product of its digits is 86400, while the sum is 34.

Adding to 13243254235 its reverse (53245234231), we get a palindrome (66488488466).

The spelling of 13243254235 in words is "thirteen billion, two hundred forty-three million, two hundred fifty-four thousand, two hundred thirty-five".