23117417 has 2 divisors, whose sum is σ = 23117418. Its totient is φ = 23117416.

The previous prime is 23117401. The next prime is 23117431. The reversal of 23117417 is 71471132.

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., 20241001 + 2876416 = 4499^2 + 1696^2 .

It is a cyclic number.

It is not a de Polignac number, because 23117417 - 2⁴ = 23117401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23117447) 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, 11558708 + 11558709.

It is an arithmetic number, because the mean of its divisors is an integer number (11558709).

Almost surely, 2^23117417 is an apocalyptic number.

It is an amenable number.

23117417 is a deficient number, since it is larger than the sum of its proper divisors (1).

23117417 is an equidigital number, since it uses as much as digits as its factorization.

23117417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 26.

The square root of 23117417 is about 4808.0575079755. The cubic root of 23117417 is about 284.8698164024.

Adding to 23117417 its reverse (71471132), we get a palindrome (94588549).

The spelling of 23117417 in words is "twenty-three million, one hundred seventeen thousand, four hundred seventeen".