23117229 has 24 divisors (see below), whose sum is σ = 35642880. Its totient is φ = 14387328.

The previous prime is 23117221. The next prime is 23117239. The reversal of 23117229 is 92271132.

It is not a de Polignac number, because 23117229 - 2³ = 23117221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23117221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20724 + ... + 21810.

It is an arithmetic number, because the mean of its divisors is an integer number (1485120).

Almost surely, 2^23117229 is an apocalyptic number.

It is an amenable number.

23117229 is a deficient number, since it is larger than the sum of its proper divisors (12525651).

23117229 is a wasteful number, since it uses less digits than its factorization.

23117229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1246 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 23117229 is about 4808.0379574209. The cubic root of 23117229 is about 284.8690441756.

The spelling of 23117229 in words is "twenty-three million, one hundred seventeen thousand, two hundred twenty-nine".