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23228897 is a prime number
BaseRepresentation
bin101100010011…
…1000111100001
31121201011001112
41120213013201
521421311042
62145513105
7401304506
oct130470741
947634045
1023228897
111212623a
127942795
134a74013
1431294ad
15208c982
hex16271e1

23228897 has 2 divisors, whose sum is σ = 23228898. Its totient is φ = 23228896.

The previous prime is 23228839. The next prime is 23228899. The reversal of 23228897 is 79882232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 10297681 = 3596^2 + 3209^2 .

It is a cyclic number.

It is not a de Polignac number, because 23228897 - 212 = 23224801 is a prime.

Together with 23228899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23228899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11614448 + 11614449.

It is an arithmetic number, because the mean of its divisors is an integer number (11614449).

Almost surely, 223228897 is an apocalyptic number.

It is an amenable number.

23228897 is a deficient number, since it is larger than the sum of its proper divisors (1).

23228897 is an equidigital number, since it uses as much as digits as its factorization.

23228897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 23228897 is about 4819.6366045585. The cubic root of 23228897 is about 285.3269951511.

The spelling of 23228897 in words is "twenty-three million, two hundred twenty-eight thousand, eight hundred ninety-seven".