23665650240871 has 2 divisors, whose sum is σ = 23665650240872. Its totient is φ = 23665650240870.

The previous prime is 23665650240733. The next prime is 23665650240893. The reversal of 23665650240871 is 17804205656632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23665650240871 - 2¹⁵ = 23665650208103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23665656240871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11832825120435 + 11832825120436.

It is an arithmetic number, because the mean of its divisors is an integer number (11832825120436).

Almost surely, 2^{23665650240871} is an apocalyptic number.

23665650240871 is a deficient number, since it is larger than the sum of its proper divisors (1).

23665650240871 is an equidigital number, since it uses as much as digits as its factorization.

23665650240871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 23665650240871 in words is "twenty-three trillion, six hundred sixty-five billion, six hundred fifty million, two hundred forty thousand, eight hundred seventy-one".