23660066039 has 2 divisors, whose sum is σ = 23660066040. Its totient is φ = 23660066038.

The previous prime is 23660065997. The next prime is 23660066041. The reversal of 23660066039 is 93066006632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23660066039 - 2⁸ = 23660065783 is a prime.

It is a super-2 number, since 2×23660066039² (a number of 22 digits) contains 22 as substring.

Together with 23660066041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23660065987 and 23660066005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23660066539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11830033019 + 11830033020.

It is an arithmetic number, because the mean of its divisors is an integer number (11830033020).

Almost surely, 2^23660066039 is an apocalyptic number.

23660066039 is a deficient number, since it is larger than the sum of its proper divisors (1).

23660066039 is an equidigital number, since it uses as much as digits as its factorization.

23660066039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 41.

The spelling of 23660066039 in words is "twenty-three billion, six hundred sixty million, sixty-six thousand, thirty-nine".