13401201423443 has 16 divisors (see below), whose sum is σ = 13859168895840. Its totient is φ = 12952081419264.

The previous prime is 13401201423403. The next prime is 13401201423461. The reversal of 13401201423443 is 34432410210431.

It is a cyclic number.

It is not a de Polignac number, because 13401201423443 - 2³⁴ = 13384021554259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13401201423403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3622346 + ... + 6318527.

It is an arithmetic number, because the mean of its divisors is an integer number (866198055990).

Almost surely, 2^{13401201423443} is an apocalyptic number.

13401201423443 is a deficient number, since it is larger than the sum of its proper divisors (457967472397).

13401201423443 is an equidigital number, since it uses as much as digits as its factorization.

13401201423443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9941318.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 13401201423443 its reverse (34432410210431), we get a palindrome (47833611633874).

The spelling of 13401201423443 in words is "thirteen trillion, four hundred one billion, two hundred one million, four hundred twenty-three thousand, four hundred forty-three".