13534005523 has 4 divisors (see below), whose sum is σ = 13755874528. Its totient is φ = 13312136520.

The previous prime is 13534005509. The next prime is 13534005553. The reversal of 13534005523 is 32550043531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13534005523 - 2¹⁷ = 13533874451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13534005553) 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, 110934411 + ... + 110934532.

It is an arithmetic number, because the mean of its divisors is an integer number (3438968632).

Almost surely, 2^13534005523 is an apocalyptic number.

13534005523 is a deficient number, since it is larger than the sum of its proper divisors (221869005).

13534005523 is an equidigital number, since it uses as much as digits as its factorization.

13534005523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221869004.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 13534005523 in words is "thirteen billion, five hundred thirty-four million, five thousand, five hundred twenty-three".