23280317 has 2 divisors, whose sum is σ = 23280318. Its totient is φ = 23280316.

The previous prime is 23280307. The next prime is 23280331. The reversal of 23280317 is 71308232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19175641 + 4104676 = 4379^2 + 2026^2 .

It is a cyclic number.

It is not a de Polignac number, because 23280317 - 2¹² = 23276221 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23280307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11640158 + 11640159.

It is an arithmetic number, because the mean of its divisors is an integer number (11640159).

Almost surely, 2^23280317 is an apocalyptic number.

It is an amenable number.

23280317 is a deficient number, since it is larger than the sum of its proper divisors (1).

23280317 is an equidigital number, since it uses as much as digits as its factorization.

23280317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 23280317 is about 4824.9680827960. The cubic root of 23280317 is about 285.5373753750.

Adding to 23280317 its reverse (71308232), we get a palindrome (94588549).

The spelling of 23280317 in words is "twenty-three million, two hundred eighty thousand, three hundred seventeen".