13530545423 has 16 divisors (see below), whose sum is σ = 14022948576. Its totient is φ = 13046261760.

The previous prime is 13530545333. The next prime is 13530545443. The reversal of 13530545423 is 32454503531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13530545423 - 2¹⁸ = 13530283279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530545443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3509765 + ... + 3513617.

It is an arithmetic number, because the mean of its divisors is an integer number (876434286).

Almost surely, 2^13530545423 is an apocalyptic number.

13530545423 is a deficient number, since it is larger than the sum of its proper divisors (492403153).

13530545423 is an equidigital number, since it uses as much as digits as its factorization.

13530545423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 13530545423 in words is "thirteen billion, five hundred thirty million, five hundred forty-five thousand, four hundred twenty-three".