23802854138417 has 2 divisors, whose sum is σ = 23802854138418. Its totient is φ = 23802854138416.

The previous prime is 23802854138321. The next prime is 23802854138419. The reversal of 23802854138417 is 71483145820832.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16342259013136 + 7460595125281 = 4042556^2 + 2731409^2 .

It is a cyclic number.

It is not a de Polignac number, because 23802854138417 - 2¹⁸ = 23802853876273 is a prime.

Together with 23802854138419, 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 (23802854138419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11901427069208 + 11901427069209.

It is an arithmetic number, because the mean of its divisors is an integer number (11901427069209).

Almost surely, 2^{23802854138417} is an apocalyptic number.

It is an amenable number.

23802854138417 is a deficient number, since it is larger than the sum of its proper divisors (1).

23802854138417 is an equidigital number, since it uses as much as digits as its factorization.

23802854138417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 23802854138417 in words is "twenty-three trillion, eight hundred two billion, eight hundred fifty-four million, one hundred thirty-eight thousand, four hundred seventeen".