13230505144 has 16 divisors (see below), whose sum is σ = 26112839400. Its totient is φ = 6267081312.

The previous prime is 13230505139. The next prime is 13230505151. The reversal of 13230505144 is 44150503231.

13230505144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43521247 + ... + 43521550.

Almost surely, 2^13230505144 is an apocalyptic number.

It is an amenable number.

13230505144 is a deficient number, since it is larger than the sum of its proper divisors (12882334256).

13230505144 is a wasteful number, since it uses less digits than its factorization.

13230505144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87042822 (or 87042818 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 13230505144 in words is "thirteen billion, two hundred thirty million, five hundred five thousand, one hundred forty-four".