11231034043 has 4 divisors (see below), whose sum is σ = 11287471600. Its totient is φ = 11174596488.

The previous prime is 11231034011. The next prime is 11231034049. The reversal of 11231034043 is 34043013211.

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 11231034043 - 2⁵ = 11231034011 is a prime.

It is a super-2 number, since 2×11231034043² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231034049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28218480 + ... + 28218877.

It is an arithmetic number, because the mean of its divisors is an integer number (2821867900).

Almost surely, 2^11231034043 is an apocalyptic number.

11231034043 is a deficient number, since it is larger than the sum of its proper divisors (56437557).

11231034043 is an equidigital number, since it uses as much as digits as its factorization.

11231034043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56437556.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11231034043 its reverse (34043013211), we get a palindrome (45274047254).

The spelling of 11231034043 in words is "eleven billion, two hundred thirty-one million, thirty-four thousand, forty-three".