11243030043 has 8 divisors (see below), whose sum is σ = 17132236288. Its totient is φ = 6424588584.

The previous prime is 11243030021. The next prime is 11243030093. The reversal of 11243030043 is 34003034211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11243030043 - 2¹⁶ = 11242964507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 535382383 = 11243030043 / (1 + 1 + 2 + 4 + 3 + 0 + 3 + 0 + 0 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11243030093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267691171 + ... + 267691212.

It is an arithmetic number, because the mean of its divisors is an integer number (2141529536).

Almost surely, 2^11243030043 is an apocalyptic number.

11243030043 is a deficient number, since it is larger than the sum of its proper divisors (5889206245).

11243030043 is an equidigital number, since it uses as much as digits as its factorization.

11243030043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535382393.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 11243030043 its reverse (34003034211), we get a palindrome (45246064254).

The spelling of 11243030043 in words is "eleven billion, two hundred forty-three million, thirty thousand, forty-three".