13534545523 has 4 divisors (see below), whose sum is σ = 14123004048. Its totient is φ = 12946087000.

The previous prime is 13534545517. The next prime is 13534545593. The reversal of 13534545523 is 32554543531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32554543531 = 65629 ⋅496039.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13534545523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13534545503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294229228 + ... + 294229273.

It is an arithmetic number, because the mean of its divisors is an integer number (3530751012).

Almost surely, 2^13534545523 is an apocalyptic number.

13534545523 is a deficient number, since it is larger than the sum of its proper divisors (588458525).

13534545523 is an equidigital number, since it uses as much as digits as its factorization.

13534545523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588458524.

The product of its digits is 540000, while the sum is 40.

The spelling of 13534545523 in words is "thirteen billion, five hundred thirty-four million, five hundred forty-five thousand, five hundred twenty-three".