13404220214423 has 4 divisors (see below), whose sum is σ = 13408434056088. Its totient is φ = 13400006372760.

The previous prime is 13404220214389. The next prime is 13404220214453. The reversal of 13404220214423 is 32441202240431.

It is a happy number.

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 13404220214423 - 2²⁰ = 13404219165847 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 13404220214423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404220214453) 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, 2106916061 + ... + 2106922422.

It is an arithmetic number, because the mean of its divisors is an integer number (3352108514022).

Almost surely, 2^{13404220214423} is an apocalyptic number.

13404220214423 is a deficient number, since it is larger than the sum of its proper divisors (4213841665).

13404220214423 is an equidigital number, since it uses as much as digits as its factorization.

13404220214423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213841664.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 13404220214423 its reverse (32441202240431), we get a palindrome (45845422454854).

The spelling of 13404220214423 in words is "thirteen trillion, four hundred four billion, two hundred twenty million, two hundred fourteen thousand, four hundred twenty-three".