23242430805217 has 4 divisors (see below), whose sum is σ = 25030310097940. Its totient is φ = 21454551512496.

The previous prime is 23242430805137. The next prime is 23242430805227. The reversal of 23242430805217 is 71250803424232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1836781167841 + 21405649637376 = 1355279^2 + 4626624^2 .

It is a cyclic number.

It is not a de Polignac number, because 23242430805217 - 2¹⁹ = 23242430280929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23242430805227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893939646342 + ... + 893939646367.

It is an arithmetic number, because the mean of its divisors is an integer number (6257577524485).

Almost surely, 2^{23242430805217} is an apocalyptic number.

It is an amenable number.

23242430805217 is a deficient number, since it is larger than the sum of its proper divisors (1787879292723).

23242430805217 is a wasteful number, since it uses less digits than its factorization.

23242430805217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787879292722.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 23242430805217 in words is "twenty-three trillion, two hundred forty-two billion, four hundred thirty million, eight hundred five thousand, two hundred seventeen".