13124044243 has 4 divisors (see below), whose sum is σ = 13154354248. Its totient is φ = 13093734240.

The previous prime is 13124044231. The next prime is 13124044261. The reversal of 13124044243 is 34244042131.

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

It is a cyclic number.

It is not a de Polignac number, because 13124044243 - 2²⁹ = 12587173331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13124044343) 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, 15154353 + ... + 15155218.

It is an arithmetic number, because the mean of its divisors is an integer number (3288588562).

Almost surely, 2^13124044243 is an apocalyptic number.

13124044243 is a deficient number, since it is larger than the sum of its proper divisors (30310005).

13124044243 is an equidigital number, since it uses as much as digits as its factorization.

13124044243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30310004.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13124044243 its reverse (34244042131), we get a palindrome (47368086374).

The spelling of 13124044243 in words is "thirteen billion, one hundred twenty-four million, forty-four thousand, two hundred forty-three".