13520024123 has 8 divisors (see below), whose sum is σ = 14235648000. Its totient is φ = 12804804648.

The previous prime is 13520024113. The next prime is 13520024143. The reversal of 13520024123 is 32142002531.

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 13520024123 - 2¹⁶ = 13519958587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13520024113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31223 + ... + 167376.

It is an arithmetic number, because the mean of its divisors is an integer number (1779456000).

Almost surely, 2^13520024123 is an apocalyptic number.

13520024123 is a deficient number, since it is larger than the sum of its proper divisors (715623877).

13520024123 is a wasteful number, since it uses less digits than its factorization.

13520024123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202201.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 13520024123 its reverse (32142002531), we get a palindrome (45662026654).

The spelling of 13520024123 in words is "thirteen billion, five hundred twenty million, twenty-four thousand, one hundred twenty-three".