23031227 has 2 divisors, whose sum is σ = 23031228. Its totient is φ = 23031226.

The previous prime is 23031167. The next prime is 23031247. The reversal of 23031227 is 72213032.

It is an a-pointer prime, because the next prime (23031247) can be obtained adding 23031227 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23031227 - 2⁶ = 23031163 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23031199 and 23031208.

It is not a weakly prime, because it can be changed into another prime (23031247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515613 + 11515614.

It is an arithmetic number, because the mean of its divisors is an integer number (11515614).

Almost surely, 2^23031227 is an apocalyptic number.

23031227 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031227 is an equidigital number, since it uses as much as digits as its factorization.

23031227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 23031227 is about 4799.0860588241. The cubic root of 23031227 is about 284.5153433101.

Adding to 23031227 its reverse (72213032), we get a palindrome (95244259).

The spelling of 23031227 in words is "twenty-three million, thirty-one thousand, two hundred twenty-seven".