11434239043 has 4 divisors (see below), whose sum is σ = 11434466680. Its totient is φ = 11434011408.

The previous prime is 11434239013. The next prime is 11434239053. The reversal of 11434239043 is 34093243411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34093243411 = 947 ⋅36001313.

It is a cyclic number.

It is not a de Polignac number, because 11434239043 - 2⁹ = 11434238531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11434239013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578 + ... + 151231.

It is an arithmetic number, because the mean of its divisors is an integer number (2858616670).

Almost surely, 2^11434239043 is an apocalyptic number.

11434239043 is a deficient number, since it is larger than the sum of its proper divisors (227637).

11434239043 is an equidigital number, since it uses as much as digits as its factorization.

11434239043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227636.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 11434239043 in words is "eleven billion, four hundred thirty-four million, two hundred thirty-nine thousand, forty-three".