23280717 has 8 divisors (see below), whose sum is σ = 31085920. Its totient is φ = 15498000.

The previous prime is 23280713. The next prime is 23280737. The reversal of 23280717 is 71708232.

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

It is not a de Polignac number, because 23280717 - 2² = 23280713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23280713) 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 in 7 ways as a sum of consecutive naturals, for example, 3034 + ... + 7467.

It is an arithmetic number, because the mean of its divisors is an integer number (3885740).

Almost surely, 2^23280717 is an apocalyptic number.

It is an amenable number.

23280717 is a deficient number, since it is larger than the sum of its proper divisors (7805203).

23280717 is a wasteful number, since it uses less digits than its factorization.

23280717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11243.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 23280717 is about 4825.0095336693. The cubic root of 23280717 is about 285.5390107235.

Adding to 23280717 its reverse (71708232), we get a palindrome (94988949).

The spelling of 23280717 in words is "twenty-three million, two hundred eighty thousand, seven hundred seventeen".