13240472523 has 8 divisors (see below), whose sum is σ = 17659443600. Its totient is φ = 8824241568.

The previous prime is 13240472513. The next prime is 13240472569. The reversal of 13240472523 is 32527404231.

13240472523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13240472523 - 2¹⁷ = 13240341451 is a prime.

It is a super-2 number, since 2×13240472523² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13240472513) 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 7 ways as a sum of consecutive naturals, for example, 673728 + ... + 693101.

It is an arithmetic number, because the mean of its divisors is an integer number (2207430450).

Almost surely, 2^13240472523 is an apocalyptic number.

13240472523 is a deficient number, since it is larger than the sum of its proper divisors (4418971077).

13240472523 is a wasteful number, since it uses less digits than its factorization.

13240472523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370061.

The product of its (nonzero) digits is 40320, while the sum is 33.

Adding to 13240472523 its reverse (32527404231), we get a palindrome (45767876754).

The spelling of 13240472523 in words is "thirteen billion, two hundred forty million, four hundred seventy-two thousand, five hundred twenty-three".