23133332111 has 2 divisors, whose sum is σ = 23133332112. Its totient is φ = 23133332110.

The previous prime is 23133332083. The next prime is 23133332113. The reversal of 23133332111 is 11123333132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23133332111 is a prime.

Together with 23133332113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23133332113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566666055 + 11566666056.

It is an arithmetic number, because the mean of its divisors is an integer number (11566666056).

Almost surely, 2^23133332111 is an apocalyptic number.

23133332111 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133332111 is an equidigital number, since it uses as much as digits as its factorization.

23133332111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 23.

Adding to 23133332111 its reverse (11123333132), we get a palindrome (34256665243).

The spelling of 23133332111 in words is "twenty-three billion, one hundred thirty-three million, three hundred thirty-two thousand, one hundred eleven".