13423431243533 has 16 divisors (see below), whose sum is σ = 14029769742336. Its totient is φ = 12818988365040.

The previous prime is 13423431243491. The next prime is 13423431243569. The reversal of 13423431243533 is 33534213432431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13423431243533 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 (13423431243583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266508410 + ... + 266558772.

It is an arithmetic number, because the mean of its divisors is an integer number (876860608896).

Almost surely, 2^{13423431243533} is an apocalyptic number.

It is an amenable number.

13423431243533 is a deficient number, since it is larger than the sum of its proper divisors (606338498803).

13423431243533 is a wasteful number, since it uses less digits than its factorization.

13423431243533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68944.

The product of its digits is 933120, while the sum is 41.

Adding to 13423431243533 its reverse (33534213432431), we get a palindrome (46957644675964).

The spelling of 13423431243533 in words is "thirteen trillion, four hundred twenty-three billion, four hundred thirty-one million, two hundred forty-three thousand, five hundred thirty-three".