23320111111 has 12 divisors (see below), whose sum is σ = 26981949400. Its totient is φ = 20084304240.

The previous prime is 23320111103. The next prime is 23320111117. The reversal of 23320111111 is 11111102332.

It is a happy number.

It is not a de Polignac number, because 23320111111 - 2³ = 23320111103 is a prime.

23320111111 is a modest number, since divided by 111111 gives 23320 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320111117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5069496 + ... + 5074093.

Almost surely, 2^23320111111 is an apocalyptic number.

23320111111 is a deficient number, since it is larger than the sum of its proper divisors (3661838289).

23320111111 is a wasteful number, since it uses less digits than its factorization.

23320111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10143630 (or 10143619 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 23320111111 its reverse (11111102332), we get a palindrome (34431213443).

It can be divided in two parts, 23320 and 111111, that added together give a palindrome (134431).

The spelling of 23320111111 in words is "twenty-three billion, three hundred twenty million, one hundred eleven thousand, one hundred eleven".