13400200243 has 4 divisors (see below), whose sum is σ = 14105473960. Its totient is φ = 12694926528.

The previous prime is 13400200211. The next prime is 13400200267. The reversal of 13400200243 is 34200200431.

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 13400200243 - 2⁵ = 13400200211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 705273697 = 13400200243 / (1 + 3 + 4 + 0 + 0 + 2 + 0 + 0 + 2 + 4 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13400200243.

It is not an unprimeable number, because it can be changed into a prime (13400200643) 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, 352636830 + ... + 352636867.

It is an arithmetic number, because the mean of its divisors is an integer number (3526368490).

Almost surely, 2^13400200243 is an apocalyptic number.

13400200243 is a deficient number, since it is larger than the sum of its proper divisors (705273717).

13400200243 is an equidigital number, since it uses as much as digits as its factorization.

13400200243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705273716.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 13400200243 its reverse (34200200431), we get a palindrome (47600400674).

The spelling of 13400200243 in words is "thirteen billion, four hundred million, two hundred thousand, two hundred forty-three".