13403866518823 has 8 divisors (see below), whose sum is σ = 14622427452816. Its totient is φ = 12185310187200.

The previous prime is 13403866518803. The next prime is 13403866518907. The reversal of 13403866518823 is 32881566830431.

It is a happy number.

13403866518823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13403866518823 - 2⁹ = 13403866518311 is a prime.

It is a super-2 number, since 2×13403866518823² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403866518803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8349115 + ... + 9824227.

It is an arithmetic number, because the mean of its divisors is an integer number (1827803431602).

Almost surely, 2^{13403866518823} is an apocalyptic number.

13403866518823 is a deficient number, since it is larger than the sum of its proper divisors (1218560933993).

13403866518823 is a wasteful number, since it uses less digits than its factorization.

13403866518823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301185.

The product of its (nonzero) digits is 19906560, while the sum is 58.

The spelling of 13403866518823 in words is "thirteen trillion, four hundred three billion, eight hundred sixty-six million, five hundred eighteen thousand, eight hundred twenty-three".