23113217 has 8 divisors (see below), whose sum is σ = 25070472. Its totient is φ = 21222400.

The previous prime is 23113201. The next prime is 23113219. The reversal of 23113217 is 71231132.

It can be written as a sum of positive squares in 4 ways, for example, as 6130576 + 16982641 = 2476^2 + 4121^2 .

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 23113217 - 2⁴ = 23113201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23113219) 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, 15884 + ... + 17277.

It is an arithmetic number, because the mean of its divisors is an integer number (3133809).

Almost surely, 2^23113217 is an apocalyptic number.

It is an amenable number.

23113217 is a deficient number, since it is larger than the sum of its proper divisors (1957255).

23113217 is a wasteful number, since it uses less digits than its factorization.

23113217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33219.

The product of its digits is 252, while the sum is 20.

The square root of 23113217 is about 4807.6207213132. The cubic root of 23113217 is about 284.8525635278.

Adding to 23113217 its reverse (71231132), we get a palindrome (94344349).

The spelling of 23113217 in words is "twenty-three million, one hundred thirteen thousand, two hundred seventeen".