13523315233 has 2 divisors, whose sum is σ = 13523315234. Its totient is φ = 13523315232.

The previous prime is 13523315231. The next prime is 13523315243. The reversal of 13523315233 is 33251332531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13420759104 + 102556129 = 115848^2 + 10127^2 .

It is a cyclic number.

It is not a de Polignac number, because 13523315233 - 2¹ = 13523315231 is a prime.

Together with 13523315231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13523315195 and 13523315204.

It is not a weakly prime, because it can be changed into another prime (13523315231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6761657616 + 6761657617.

It is an arithmetic number, because the mean of its divisors is an integer number (6761657617).

Almost surely, 2^13523315233 is an apocalyptic number.

It is an amenable number.

13523315233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13523315233 is an equidigital number, since it uses as much as digits as its factorization.

13523315233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 31.

Adding to 13523315233 its reverse (33251332531), we get a palindrome (46774647764).

The spelling of 13523315233 in words is "thirteen billion, five hundred twenty-three million, three hundred fifteen thousand, two hundred thirty-three".