23217241 has 8 divisors (see below), whose sum is σ = 24094280. Its totient is φ = 22353408.

The previous prime is 23217211. The next prime is 23217247. The reversal of 23217241 is 14271232.

It can be written as a sum of positive squares in 4 ways, for example, as 2250000 + 20967241 = 1500^2 + 4579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23217241 - 2⁷ = 23217113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23217247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355 + ... + 6823.

It is an arithmetic number, because the mean of its divisors is an integer number (3011785).

Almost surely, 2^23217241 is an apocalyptic number.

It is an amenable number.

23217241 is a deficient number, since it is larger than the sum of its proper divisors (877039).

23217241 is an equidigital number, since it uses as much as digits as its factorization.

23217241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6603.

The product of its digits is 672, while the sum is 22.

The square root of 23217241 is about 4818.4272330295. The cubic root of 23217241 is about 285.2792625376.

Adding to 23217241 its reverse (14271232), we get a palindrome (37488473).

The spelling of 23217241 in words is "twenty-three million, two hundred seventeen thousand, two hundred forty-one".