13402421131323 has 16 divisors (see below), whose sum is σ = 20476622823680. Its totient is φ = 7638319162656.

The previous prime is 13402421131259. The next prime is 13402421131331. The reversal of 13402421131323 is 32313112420431.

It is not a de Polignac number, because 13402421131323 - 2⁶ = 13402421131259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13402421131343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841958440 + ... + 841974357.

It is an arithmetic number, because the mean of its divisors is an integer number (1279788926480).

Almost surely, 2^{13402421131323} is an apocalyptic number.

13402421131323 is a deficient number, since it is larger than the sum of its proper divisors (7074201692357).

13402421131323 is a wasteful number, since it uses less digits than its factorization.

13402421131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683933186.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13402421131323 its reverse (32313112420431), we get a palindrome (45715533551754).

The spelling of 13402421131323 in words is "thirteen trillion, four hundred two billion, four hundred twenty-one million, one hundred thirty-one thousand, three hundred twenty-three".