13543423603 has 32 divisors (see below), whose sum is σ = 14579896320. Its totient is φ = 12558000000.

The previous prime is 13543423591. The next prime is 13543423639. The reversal of 13543423603 is 30632434531.

13543423603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13543423603 - 2¹³ = 13543415411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13543423403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18033478 + ... + 18034228.

It is an arithmetic number, because the mean of its divisors is an integer number (455621760).

Almost surely, 2^13543423603 is an apocalyptic number.

13543423603 is a deficient number, since it is larger than the sum of its proper divisors (1036472717).

13543423603 is a wasteful number, since it uses less digits than its factorization.

13543423603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 77760, while the sum is 34.

The spelling of 13543423603 in words is "thirteen billion, five hundred forty-three million, four hundred twenty-three thousand, six hundred three".