13531354423 has 4 divisors (see below), whose sum is σ = 13846037128. Its totient is φ = 13216671720.

The previous prime is 13531354399. The next prime is 13531354433. The reversal of 13531354423 is 32445313531.

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 13531354423 - 2⁹ = 13531353911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531354433) 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, 157341288 + ... + 157341373.

It is an arithmetic number, because the mean of its divisors is an integer number (3461509282).

Almost surely, 2^13531354423 is an apocalyptic number.

13531354423 is a deficient number, since it is larger than the sum of its proper divisors (314682705).

13531354423 is an equidigital number, since it uses as much as digits as its factorization.

13531354423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314682704.

The product of its digits is 64800, while the sum is 34.

Adding to 13531354423 its reverse (32445313531), we get a palindrome (45976667954).

The spelling of 13531354423 in words is "thirteen billion, five hundred thirty-one million, three hundred fifty-four thousand, four hundred twenty-three".