13520410023 has 4 divisors (see below), whose sum is σ = 18027213368. Its totient is φ = 9013606680.

The previous prime is 13520410021. The next prime is 13520410037. The reversal of 13520410023 is 32001402531.

13520410023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13520410023 - 2¹ = 13520410021 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 (13520410021) 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 3 ways as a sum of consecutive naturals, for example, 2253401668 + ... + 2253401673.

It is an arithmetic number, because the mean of its divisors is an integer number (4506803342).

Almost surely, 2^13520410023 is an apocalyptic number.

13520410023 is a deficient number, since it is larger than the sum of its proper divisors (4506803345).

13520410023 is an equidigital number, since it uses as much as digits as its factorization.

13520410023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506803344.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 13520410023 its reverse (32001402531), we get a palindrome (45521812554).

The spelling of 13520410023 in words is "thirteen billion, five hundred twenty million, four hundred ten thousand, twenty-three".