23868217 has 2 divisors, whose sum is σ = 23868218. Its totient is φ = 23868216.

The previous prime is 23868211. The next prime is 23868241. The reversal of 23868217 is 71286832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21724921 + 2143296 = 4661^2 + 1464^2 .

It is a cyclic number.

It is not a de Polignac number, because 23868217 - 2³ = 23868209 is a prime.

It is not a weakly prime, because it can be changed into another prime (23868211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11934108 + 11934109.

It is an arithmetic number, because the mean of its divisors is an integer number (11934109).

Almost surely, 2^23868217 is an apocalyptic number.

It is an amenable number.

23868217 is a deficient number, since it is larger than the sum of its proper divisors (1).

23868217 is an equidigital number, since it uses as much as digits as its factorization.

23868217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 23868217 is about 4885.5109251746. The cubic root of 23868217 is about 287.9209892892.

The spelling of 23868217 in words is "twenty-three million, eight hundred sixty-eight thousand, two hundred seventeen".