13340323445 has 4 divisors (see below), whose sum is σ = 16008388140. Its totient is φ = 10672258752.

The previous prime is 13340323439. The next prime is 13340323457. The reversal of 13340323445 is 54432304331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4073758276 + 9266565169 = 63826^2 + 96263^2 .

It is a cyclic number.

It is not a de Polignac number, because 13340323445 - 2⁴ = 13340323429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334032340 + ... + 1334032349.

It is an arithmetic number, because the mean of its divisors is an integer number (4002097035).

Almost surely, 2^13340323445 is an apocalyptic number.

It is an amenable number.

13340323445 is a deficient number, since it is larger than the sum of its proper divisors (2668064695).

13340323445 is an equidigital number, since it uses as much as digits as its factorization.

13340323445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668064694.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 13340323445 its reverse (54432304331), we get a palindrome (67772627776).

The spelling of 13340323445 in words is "thirteen billion, three hundred forty million, three hundred twenty-three thousand, four hundred forty-five".