11342320043 has 2 divisors, whose sum is σ = 11342320044. Its totient is φ = 11342320042.

The previous prime is 11342320039. The next prime is 11342320079. The reversal of 11342320043 is 34002324311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11342320043 - 2² = 11342320039 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11342320013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5671160021 + 5671160022.

It is an arithmetic number, because the mean of its divisors is an integer number (5671160022).

Almost surely, 2^11342320043 is an apocalyptic number.

11342320043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11342320043 is an equidigital number, since it uses as much as digits as its factorization.

11342320043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 11342320043 its reverse (34002324311), we get a palindrome (45344644354).

The spelling of 11342320043 in words is "eleven billion, three hundred forty-two million, three hundred twenty thousand, forty-three".