23265447641687 has 2 divisors, whose sum is σ = 23265447641688. Its totient is φ = 23265447641686.

The previous prime is 23265447641647. The next prime is 23265447641753. The reversal of 23265447641687 is 78614674456232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23265447641687 - 2¹² = 23265447637591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23265447641647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11632723820843 + 11632723820844.

It is an arithmetic number, because the mean of its divisors is an integer number (11632723820844).

Almost surely, 2^{23265447641687} is an apocalyptic number.

23265447641687 is a deficient number, since it is larger than the sum of its proper divisors (1).

23265447641687 is an equidigital number, since it uses as much as digits as its factorization.

23265447641687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 325140480, while the sum is 65.

The spelling of 23265447641687 in words is "twenty-three trillion, two hundred sixty-five billion, four hundred forty-seven million, six hundred forty-one thousand, six hundred eighty-seven".