13443430142403 has 20 divisors (see below), whose sum is σ = 20156265025248. Its totient is φ = 8929215578160.

The previous prime is 13443430142369. The next prime is 13443430142407. The reversal of 13443430142403 is 30424103434431.

13443430142403 is a `hidden beast` number, since 1 + 3 + 4 + 43 + 430 + 142 + 40 + 3 = 666.

It is not a de Polignac number, because 13443430142403 - 2⁶ = 13443430142339 is a prime.

It is a super-2 number, since 2×13443430142403² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13443430142407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 306192576 + ... + 306236477.

Almost surely, 2^{13443430142403} is an apocalyptic number.

13443430142403 is a deficient number, since it is larger than the sum of its proper divisors (6712834882845).

13443430142403 is an equidigital number, since it uses as much as digits as its factorization.

13443430142403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612429336 (or 612429327 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 13443430142403 its reverse (30424103434431), we get a palindrome (43867533576834).

The spelling of 13443430142403 in words is "thirteen trillion, four hundred forty-three billion, four hundred thirty million, one hundred forty-two thousand, four hundred three".