13424523 has 8 divisors (see below), whose sum is σ = 20456448. Its totient is φ = 7671144.

The previous prime is 13424491. The next prime is 13424539. The reversal of 13424523 is 32542431.

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

It is not a de Polignac number, because 13424523 - 2⁵ = 13424491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13424493 and 13424502.

It is not an unprimeable number, because it can be changed into a prime (13424573) 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, 319611 + ... + 319652.

It is an arithmetic number, because the mean of its divisors is an integer number (2557056).

Almost surely, 2^13424523 is an apocalyptic number.

13424523 is a deficient number, since it is larger than the sum of its proper divisors (7031925).

13424523 is an equidigital number, since it uses as much as digits as its factorization.

13424523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639273.

The product of its digits is 2880, while the sum is 24.

The square root of 13424523 is about 3663.9490989914. The cubic root of 13424523 is about 237.6655790877.

Adding to 13424523 its reverse (32542431), we get a palindrome (45966954).

The spelling of 13424523 in words is "thirteen million, four hundred twenty-four thousand, five hundred twenty-three".