13523005235 has 4 divisors (see below), whose sum is σ = 16227606288. Its totient is φ = 10818404184.

The previous prime is 13523005211. The next prime is 13523005297. The reversal of 13523005235 is 53250032531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53250032531 = 83 ⋅641566657.

It is a cyclic number.

It is not a de Polignac number, because 13523005235 - 2¹² = 13523001139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13523005198 and 13523005207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352300519 + ... + 1352300528.

It is an arithmetic number, because the mean of its divisors is an integer number (4056901572).

Almost surely, 2^13523005235 is an apocalyptic number.

13523005235 is a deficient number, since it is larger than the sum of its proper divisors (2704601053).

13523005235 is an equidigital number, since it uses as much as digits as its factorization.

13523005235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704601052.

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 13523005235 its reverse (53250032531), we get a palindrome (66773037766).

The spelling of 13523005235 in words is "thirteen billion, five hundred twenty-three million, five thousand, two hundred thirty-five".