11404234243 has 4 divisors (see below), whose sum is σ = 11619408528. Its totient is φ = 11189059960.

The previous prime is 11404234241. The next prime is 11404234249. The reversal of 11404234243 is 34243240411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34243240411 = 22123 ⋅1547857.

It is a cyclic number.

It is not a de Polignac number, because 11404234243 - 2¹ = 11404234241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11404234241) 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, 107587063 + ... + 107587168.

It is an arithmetic number, because the mean of its divisors is an integer number (2904852132).

Almost surely, 2^11404234243 is an apocalyptic number.

11404234243 is a deficient number, since it is larger than the sum of its proper divisors (215174285).

11404234243 is an equidigital number, since it uses as much as digits as its factorization.

11404234243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215174284.

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

Adding to 11404234243 its reverse (34243240411), we get a palindrome (45647474654).

The spelling of 11404234243 in words is "eleven billion, four hundred four million, two hundred thirty-four thousand, two hundred forty-three".