23201317 has 2 divisors, whose sum is σ = 23201318. Its totient is φ = 23201316.

The previous prime is 23201291. The next prime is 23201329. The reversal of 23201317 is 71310232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19793601 + 3407716 = 4449^2 + 1846^2 .

It is a cyclic number.

It is not a de Polignac number, because 23201317 - 2¹¹ = 23199269 is a prime.

It is a super-2 number, since 2×23201317² = 1076602221068978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23201294 and 23201303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23201357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600658 + 11600659.

It is an arithmetic number, because the mean of its divisors is an integer number (11600659).

Almost surely, 2^23201317 is an apocalyptic number.

It is an amenable number.

23201317 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201317 is an equidigital number, since it uses as much as digits as its factorization.

23201317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 23201317 is about 4816.7745431980. The cubic root of 23201317 is about 285.2140261621.

Adding to 23201317 its reverse (71310232), we get a palindrome (94511549).

The spelling of 23201317 in words is "twenty-three million, two hundred one thousand, three hundred seventeen".