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23115227 is a prime number
BaseRepresentation
bin101100000101…
…1010111011011
31121111101010112
41120023113123
521404141402
62143234535
7400322222
oct130132733
947441115
1023115227
11120588a3
1278a8a4b
134a34365
1430d9cb9
152068e52
hex160b5db

23115227 has 2 divisors, whose sum is σ = 23115228. Its totient is φ = 23115226.

The previous prime is 23115221. The next prime is 23115241. The reversal of 23115227 is 72251132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23115227 - 214 = 23098843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23115221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11557613 + 11557614.

It is an arithmetic number, because the mean of its divisors is an integer number (11557614).

Almost surely, 223115227 is an apocalyptic number.

23115227 is a deficient number, since it is larger than the sum of its proper divisors (1).

23115227 is an equidigital number, since it uses as much as digits as its factorization.

23115227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 23.

The square root of 23115227 is about 4807.8297598813. The cubic root of 23115227 is about 284.8608205214.

Adding to 23115227 its reverse (72251132), we get a palindrome (95366359).

The spelling of 23115227 in words is "twenty-three million, one hundred fifteen thousand, two hundred twenty-seven".