13520173343 has 8 divisors (see below), whose sum is σ = 13632305616. Its totient is φ = 13408432000.

The previous prime is 13520173339. The next prime is 13520173351. The reversal of 13520173343 is 34337102531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13520173343 - 2² = 13520173339 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 (13520173333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28073 + ... + 166818.

It is an arithmetic number, because the mean of its divisors is an integer number (1704038202).

Almost surely, 2^13520173343 is an apocalyptic number.

13520173343 is a deficient number, since it is larger than the sum of its proper divisors (112132273).

13520173343 is a wasteful number, since it uses less digits than its factorization.

13520173343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195465.

The product of its (nonzero) digits is 22680, while the sum is 32.

Adding to 13520173343 its reverse (34337102531), we get a palindrome (47857275874).

The spelling of 13520173343 in words is "thirteen billion, five hundred twenty million, one hundred seventy-three thousand, three hundred forty-three".