13534431323 has 16 divisors (see below), whose sum is σ = 16478300160. Its totient is φ = 10851532416.

The previous prime is 13534431293. The next prime is 13534431347. The reversal of 13534431323 is 32313443531.

13534431323 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 13534431323 - 2¹² = 13534427227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13534431323.

It is not an unprimeable number, because it can be changed into a prime (13534431373) 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 15 ways as a sum of consecutive naturals, for example, 329483 + ... + 368276.

It is an arithmetic number, because the mean of its divisors is an integer number (1029893760).

Almost surely, 2^13534431323 is an apocalyptic number.

13534431323 is a deficient number, since it is larger than the sum of its proper divisors (2943868837).

13534431323 is a wasteful number, since it uses less digits than its factorization.

13534431323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697946.

The product of its digits is 38880, while the sum is 32.

Adding to 13534431323 its reverse (32313443531), we get a palindrome (45847874854).

The spelling of 13534431323 in words is "thirteen billion, five hundred thirty-four million, four hundred thirty-one thousand, three hundred twenty-three".