11442312443 has 4 divisors (see below), whose sum is σ = 11811419328. Its totient is φ = 11073205560.

The previous prime is 11442312439. The next prime is 11442312547. The reversal of 11442312443 is 34421324411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34421324411 = 569 ⋅60494419.

It is a cyclic number.

It is not a de Polignac number, because 11442312443 - 2² = 11442312439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11442312403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184553396 + ... + 184553457.

It is an arithmetic number, because the mean of its divisors is an integer number (2952854832).

Almost surely, 2^11442312443 is an apocalyptic number.

11442312443 is a deficient number, since it is larger than the sum of its proper divisors (369106885).

11442312443 is an equidigital number, since it uses as much as digits as its factorization.

11442312443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369106884.

The product of its digits is 9216, while the sum is 29.

Adding to 11442312443 its reverse (34421324411), we get a palindrome (45863636854).

The spelling of 11442312443 in words is "eleven billion, four hundred forty-two million, three hundred twelve thousand, four hundred forty-three".