13651379323 has 4 divisors (see below), whose sum is σ = 13672610728. Its totient is φ = 13630147920.

The previous prime is 13651379299. The next prime is 13651379327. The reversal of 13651379323 is 32397315631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32397315631 = 1327 ⋅24413953.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13651379323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13651379323.

It is not an unprimeable number, because it can be changed into a prime (13651379327) 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, 10614738 + ... + 10616023.

It is an arithmetic number, because the mean of its divisors is an integer number (3418152682).

Almost surely, 2^13651379323 is an apocalyptic number.

13651379323 is a deficient number, since it is larger than the sum of its proper divisors (21231405).

13651379323 is an equidigital number, since it uses as much as digits as its factorization.

13651379323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21231404.

The product of its digits is 306180, while the sum is 43.

The spelling of 13651379323 in words is "thirteen billion, six hundred fifty-one million, three hundred seventy-nine thousand, three hundred twenty-three".