13203412443 has 48 divisors (see below), whose sum is σ = 21016195200. Its totient is φ = 7936929792.

The previous prime is 13203412441. The next prime is 13203412471. The reversal of 13203412443 is 34421430231.

13203412443 is a `hidden beast` number, since 1 + 3 + 203 + 4 + 12 + 443 = 666.

It is not a de Polignac number, because 13203412443 - 2¹ = 13203412441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13203412441) 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 47 ways as a sum of consecutive naturals, for example, 3258883 + ... + 3262931.

It is an arithmetic number, because the mean of its divisors is an integer number (437837400).

Almost surely, 2^13203412443 is an apocalyptic number.

13203412443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13203412443 is a deficient number, since it is larger than the sum of its proper divisors (7812782757).

13203412443 is a wasteful number, since it uses less digits than its factorization.

13203412443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708 (or 4705 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 13203412443 its reverse (34421430231), we get a palindrome (47624842674).

The spelling of 13203412443 in words is "thirteen billion, two hundred three million, four hundred twelve thousand, four hundred forty-three".