23121076633 has 2 divisors, whose sum is σ = 23121076634. Its totient is φ = 23121076632.

The previous prime is 23121076619. The next prime is 23121076679. The reversal of 23121076633 is 33667012132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14406480729 + 8714595904 = 120027^2 + 93352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23121076633 is a prime.

It is not a weakly prime, because it can be changed into another prime (23121076733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560538316 + 11560538317.

It is an arithmetic number, because the mean of its divisors is an integer number (11560538317).

Almost surely, 2^23121076633 is an apocalyptic number.

It is an amenable number.

23121076633 is a deficient number, since it is larger than the sum of its proper divisors (1).

23121076633 is an equidigital number, since it uses as much as digits as its factorization.

23121076633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

Adding to 23121076633 its reverse (33667012132), we get a palindrome (56788088765).

The spelling of 23121076633 in words is "twenty-three billion, one hundred twenty-one million, seventy-six thousand, six hundred thirty-three".