23112111443 has 4 divisors (see below), whose sum is σ = 23112486600. Its totient is φ = 23111736288.

The previous prime is 23112111433. The next prime is 23112111493. The reversal of 23112111443 is 34411121132.

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 23112111443 - 2¹⁶ = 23112045907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23112111413) 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, 71030 + ... + 226427.

It is an arithmetic number, because the mean of its divisors is an integer number (5778121650).

Almost surely, 2^23112111443 is an apocalyptic number.

23112111443 is a deficient number, since it is larger than the sum of its proper divisors (375157).

23112111443 is an equidigital number, since it uses as much as digits as its factorization.

23112111443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375156.

The product of its digits is 576, while the sum is 23.

Adding to 23112111443 its reverse (34411121132), we get a palindrome (57523232575).

The spelling of 23112111443 in words is "twenty-three billion, one hundred twelve million, one hundred eleven thousand, four hundred forty-three".