13423401445 has 16 divisors (see below), whose sum is σ = 16209713520. Its totient is φ = 10671153664.

The previous prime is 13423401413. The next prime is 13423401457. The reversal of 13423401445 is 54410432431.

It can be written as a sum of positive squares in 8 ways, for example, as 440622081 + 12982779364 = 20991^2 + 113942^2 .

It is a cyclic number.

It is not a de Polignac number, because 13423401445 - 2⁵ = 13423401413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581667 + ... + 604303.

It is an arithmetic number, because the mean of its divisors is an integer number (1013107095).

Almost surely, 2^13423401445 is an apocalyptic number.

It is an amenable number.

13423401445 is a deficient number, since it is larger than the sum of its proper divisors (2786312075).

13423401445 is a wasteful number, since it uses less digits than its factorization.

13423401445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23384.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 13423401445 its reverse (54410432431), we get a palindrome (67833833876).

The spelling of 13423401445 in words is "thirteen billion, four hundred twenty-three million, four hundred one thousand, four hundred forty-five".