13443056003 has 4 divisors (see below), whose sum is σ = 14477137248. Its totient is φ = 12408974760.

The previous prime is 13443055999. The next prime is 13443056041. The reversal of 13443056003 is 30065034431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30065034431 = 9811 ⋅3064421.

It is not a de Polignac number, because 13443056003 - 2² = 13443055999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13443056203) 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, 517040603 + ... + 517040628.

It is an arithmetic number, because the mean of its divisors is an integer number (3619284312).

Almost surely, 2^13443056003 is an apocalyptic number.

13443056003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13443056003 is a deficient number, since it is larger than the sum of its proper divisors (1034081245).

13443056003 is a wasteful number, since it uses less digits than its factorization.

13443056003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034081244.

The product of its (nonzero) digits is 12960, while the sum is 29.

The spelling of 13443056003 in words is "thirteen billion, four hundred forty-three million, fifty-six thousand, three".