23120617 has 8 divisors (see below), whose sum is σ = 25147080. Its totient is φ = 21129600.

The previous prime is 23120611. The next prime is 23120623. The reversal of 23120617 is 71602132.

It is an interprime number because it is at equal distance from previous prime (23120611) and next prime (23120623).

It can be written as a sum of positive squares in 4 ways, for example, as 7722841 + 15397776 = 2779^2 + 3924^2 .

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 23120617 - 2³ = 23120609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120611) 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, 7492 + ... + 10117.

It is an arithmetic number, because the mean of its divisors is an integer number (3143385).

Almost surely, 2^23120617 is an apocalyptic number.

It is an amenable number.

23120617 is a deficient number, since it is larger than the sum of its proper divisors (2026463).

23120617 is a wasteful number, since it uses less digits than its factorization.

23120617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17723.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 23120617 is about 4808.3902711822. The cubic root of 23120617 is about 284.8829600472.

Adding to 23120617 its reverse (71602132), we get a palindrome (94722749).

The spelling of 23120617 in words is "twenty-three million, one hundred twenty thousand, six hundred seventeen".