23171117 has 8 divisors (see below), whose sum is σ = 23500800. Its totient is φ = 22843600.

The previous prime is 23171059. The next prime is 23171131. The reversal of 23171117 is 71117132.

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 23171117 - 2⁶ = 23171053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23171092 and 23171101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23171147) 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, 38384 + ... + 38982.

It is an arithmetic number, because the mean of its divisors is an integer number (2937600).

Almost surely, 2^23171117 is an apocalyptic number.

It is an amenable number.

23171117 is a deficient number, since it is larger than the sum of its proper divisors (329683).

23171117 is a wasteful number, since it uses less digits than its factorization.

23171117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its digits is 294, while the sum is 23.

The square root of 23171117 is about 4813.6386445183. The cubic root of 23171117 is about 285.0902227944.

Adding to 23171117 its reverse (71117132), we get a palindrome (94288249).

The spelling of 23171117 in words is "twenty-three million, one hundred seventy-one thousand, one hundred seventeen".