23117151 has 8 divisors (see below), whose sum is σ = 31019824. Its totient is φ = 15312960.

The previous prime is 23117141. The next prime is 23117179. The reversal of 23117151 is 15171132.

It is a happy number.

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

It is not a de Polignac number, because 23117151 - 2⁷ = 23117023 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 (23117111) 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, 24070 + ... + 25011.

It is an arithmetic number, because the mean of its divisors is an integer number (3877478).

Almost surely, 2^23117151 is an apocalyptic number.

23117151 is a deficient number, since it is larger than the sum of its proper divisors (7902673).

23117151 is a wasteful number, since it uses less digits than its factorization.

23117151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49241.

The product of its digits is 210, while the sum is 21.

The square root of 23117151 is about 4808.0298459972. The cubic root of 23117151 is about 284.8687237824.

Adding to 23117151 its reverse (15171132), we get a palindrome (38288283).

The spelling of 23117151 in words is "twenty-three million, one hundred seventeen thousand, one hundred fifty-one".