23220443311 has 8 divisors (see below), whose sum is σ = 25186537040. Its totient is φ = 21280050432.

The previous prime is 23220443237. The next prime is 23220443321. The reversal of 23220443311 is 11334402232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23220443311 - 2⁹ = 23220442799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220443321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6423330 + ... + 6426943.

It is an arithmetic number, because the mean of its divisors is an integer number (3148317130).

Almost surely, 2^23220443311 is an apocalyptic number.

23220443311 is a deficient number, since it is larger than the sum of its proper divisors (1966093729).

23220443311 is a wasteful number, since it uses less digits than its factorization.

23220443311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12850425.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23220443311 its reverse (11334402232), we get a palindrome (34554845543).

The spelling of 23220443311 in words is "twenty-three billion, two hundred twenty million, four hundred forty-three thousand, three hundred eleven".