23460644316209 has 2 divisors, whose sum is σ = 23460644316210. Its totient is φ = 23460644316208.

The previous prime is 23460644316173. The next prime is 23460644316211. The reversal of 23460644316209 is 90261344606432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11941897047025 + 11518747269184 = 3455705^2 + 3393928^2 .

It is a cyclic number.

It is not a de Polignac number, because 23460644316209 - 2¹² = 23460644312113 is a prime.

Together with 23460644316211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23460644376209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11730322158104 + 11730322158105.

It is an arithmetic number, because the mean of its divisors is an integer number (11730322158105).

Almost surely, 2^{23460644316209} is an apocalyptic number.

It is an amenable number.

23460644316209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23460644316209 is an equidigital number, since it uses as much as digits as its factorization.

23460644316209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 50.

The spelling of 23460644316209 in words is "twenty-three trillion, four hundred sixty billion, six hundred forty-four million, three hundred sixteen thousand, two hundred nine".