23211111104443 has 4 divisors (see below), whose sum is σ = 23218923665848. Its totient is φ = 23203298543040.

The previous prime is 23211111104417. The next prime is 23211111104459. The reversal of 23211111104443 is 34440111111232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23211111104443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23211111104243) 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, 3906276246 + ... + 3906282187.

It is an arithmetic number, because the mean of its divisors is an integer number (5804730916462).

Almost surely, 2^{23211111104443} is an apocalyptic number.

23211111104443 is a deficient number, since it is larger than the sum of its proper divisors (7812561405).

23211111104443 is an equidigital number, since it uses as much as digits as its factorization.

23211111104443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812561404.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 23211111104443 its reverse (34440111111232), we get a palindrome (57651222215675).

The spelling of 23211111104443 in words is "twenty-three trillion, two hundred eleven billion, one hundred eleven million, one hundred four thousand, four hundred forty-three".