23643433434617 has 2 divisors, whose sum is σ = 23643433434618. Its totient is φ = 23643433434616.

The previous prime is 23643433434589. The next prime is 23643433434701. The reversal of 23643433434617 is 71643433434632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22724565486841 + 918867947776 = 4767029^2 + 958576^2 .

It is a cyclic number.

It is not a de Polignac number, because 23643433434617 - 2²² = 23643429240313 is a prime.

It is not a weakly prime, because it can be changed into another prime (23643433734617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11821716717308 + 11821716717309.

It is an arithmetic number, because the mean of its divisors is an integer number (11821716717309).

Almost surely, 2^{23643433434617} is an apocalyptic number.

It is an amenable number.

23643433434617 is a deficient number, since it is larger than the sum of its proper divisors (1).

23643433434617 is an equidigital number, since it uses as much as digits as its factorization.

23643433434617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 53.

The spelling of 23643433434617 in words is "twenty-three trillion, six hundred forty-three billion, four hundred thirty-three million, four hundred thirty-four thousand, six hundred seventeen".