13240431323 has 8 divisors (see below), whose sum is σ = 15270747360. Its totient is φ = 11244821760.

The previous prime is 13240431289. The next prime is 13240431329. The reversal of 13240431323 is 32313404231.

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 13240431323 - 2¹⁰ = 13240430299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13240431292 and 13240431301.

It is not an unprimeable number, because it can be changed into a prime (13240431329) 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, 8675798 + ... + 8677323.

It is an arithmetic number, because the mean of its divisors is an integer number (1908843420).

Almost surely, 2^13240431323 is an apocalyptic number.

13240431323 is a deficient number, since it is larger than the sum of its proper divisors (2030316037).

13240431323 is a wasteful number, since it uses less digits than its factorization.

13240431323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17353237.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13240431323 its reverse (32313404231), we get a palindrome (45553835554).

The spelling of 13240431323 in words is "thirteen billion, two hundred forty million, four hundred thirty-one thousand, three hundred twenty-three".