13023240404 has 12 divisors (see below), whose sum is σ = 22848080724. Its totient is φ = 6495217344.

The previous prime is 13023240383. The next prime is 13023240409. The reversal of 13023240404 is 40404232031.

It can be written as a sum of positive squares in 2 ways, for example, as 9692796304 + 3330444100 = 98452^2 + 57710^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13023240404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023240409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4098929 + ... + 4102104.

It is an arithmetic number, because the mean of its divisors is an integer number (1904006727).

Almost surely, 2^13023240404 is an apocalyptic number.

It is an amenable number.

13023240404 is a deficient number, since it is larger than the sum of its proper divisors (9824840320).

13023240404 is a wasteful number, since it uses less digits than its factorization.

13023240404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201434 (or 8201432 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 13023240404 its reverse (40404232031), we get a palindrome (53427472435).

The spelling of 13023240404 in words is "thirteen billion, twenty-three million, two hundred forty thousand, four hundred four".