23331116651 has 2 divisors, whose sum is σ = 23331116652. Its totient is φ = 23331116650.

The previous prime is 23331116647. The next prime is 23331116681. The reversal of 23331116651 is 15661113332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23331116651 - 2² = 23331116647 is a prime.

It is not a weakly prime, because it can be changed into another prime (23331116681) 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 as a sum of consecutive naturals, namely, 11665558325 + 11665558326.

It is an arithmetic number, because the mean of its divisors is an integer number (11665558326).

Almost surely, 2^23331116651 is an apocalyptic number.

23331116651 is a deficient number, since it is larger than the sum of its proper divisors (1).

23331116651 is an equidigital number, since it uses as much as digits as its factorization.

23331116651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

Adding to 23331116651 its reverse (15661113332), we get a palindrome (38992229983).

The spelling of 23331116651 in words is "twenty-three billion, three hundred thirty-one million, one hundred sixteen thousand, six hundred fifty-one".