13533005523 has 4 divisors (see below), whose sum is σ = 18044007368. Its totient is φ = 9022003680.

The previous prime is 13533005483. The next prime is 13533005593. The reversal of 13533005523 is 32550033531.

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

It is not a de Polignac number, because 13533005523 - 2²¹ = 13530908371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13533005593) 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, 2255500918 + ... + 2255500923.

It is an arithmetic number, because the mean of its divisors is an integer number (4511001842).

Almost surely, 2^13533005523 is an apocalyptic number.

13533005523 is a deficient number, since it is larger than the sum of its proper divisors (4511001845).

13533005523 is an equidigital number, since it uses as much as digits as its factorization.

13533005523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511001844.

The product of its (nonzero) digits is 20250, while the sum is 30.

The spelling of 13533005523 in words is "thirteen billion, five hundred thirty-three million, five thousand, five hundred twenty-three".