13000233243 has 4 divisors (see below), whose sum is σ = 17333644328. Its totient is φ = 8666822160.

The previous prime is 13000233227. The next prime is 13000233247. The reversal of 13000233243 is 34233200031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13000233243 - 2⁴ = 13000233227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000233247) 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 3 ways as a sum of consecutive naturals, for example, 2166705538 + ... + 2166705543.

It is an arithmetic number, because the mean of its divisors is an integer number (4333411082).

Almost surely, 2^13000233243 is an apocalyptic number.

13000233243 is a deficient number, since it is larger than the sum of its proper divisors (4333411085).

13000233243 is an equidigital number, since it uses as much as digits as its factorization.

13000233243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333411084.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 13000233243 its reverse (34233200031), we get a palindrome (47233433274).

The spelling of 13000233243 in words is "thirteen billion, two hundred thirty-three thousand, two hundred forty-three".