23665344356659 has 2 divisors, whose sum is σ = 23665344356660. Its totient is φ = 23665344356658.

The previous prime is 23665344356627. The next prime is 23665344356663. The reversal of 23665344356659 is 95665344356632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23665344356659 - 2⁵ = 23665344356627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23665344356594 and 23665344356603.

It is not a weakly prime, because it can be changed into another prime (23665344359659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11832672178329 + 11832672178330.

It is an arithmetic number, because the mean of its divisors is an integer number (11832672178330).

Almost surely, 2^{23665344356659} is an apocalyptic number.

23665344356659 is a deficient number, since it is larger than the sum of its proper divisors (1).

23665344356659 is an equidigital number, since it uses as much as digits as its factorization.

23665344356659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712000, while the sum is 67.

The spelling of 23665344356659 in words is "twenty-three trillion, six hundred sixty-five billion, three hundred forty-four million, three hundred fifty-six thousand, six hundred fifty-nine".