13401404423 has 4 divisors (see below), whose sum is σ = 14619713928. Its totient is φ = 12183094920.

The previous prime is 13401404417. The next prime is 13401404431. The reversal of 13401404423 is 32440410431.

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

It is a cyclic number.

It is not a de Polignac number, because 13401404423 - 2²⁰ = 13400355847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13401404392 and 13401404401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13401404413) 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, 609154736 + ... + 609154757.

It is an arithmetic number, because the mean of its divisors is an integer number (3654928482).

Almost surely, 2^13401404423 is an apocalyptic number.

13401404423 is a deficient number, since it is larger than the sum of its proper divisors (1218309505).

13401404423 is a wasteful number, since it uses less digits than its factorization.

13401404423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218309504.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13401404423 its reverse (32440410431), we get a palindrome (45841814854).

The spelling of 13401404423 in words is "thirteen billion, four hundred one million, four hundred four thousand, four hundred twenty-three".