23227889 has 2 divisors, whose sum is σ = 23227890. Its totient is φ = 23227888.

The previous prime is 23227849. The next prime is 23227891. The reversal of 23227889 is 98872232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12285025 + 10942864 = 3505^2 + 3308^2 .

It is a cyclic number.

It is not a de Polignac number, because 23227889 - 2¹² = 23223793 is a prime.

Together with 23227891, 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 (23227849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11613944 + 11613945.

It is an arithmetic number, because the mean of its divisors is an integer number (11613945).

Almost surely, 2^23227889 is an apocalyptic number.

It is an amenable number.

23227889 is a deficient number, since it is larger than the sum of its proper divisors (1).

23227889 is an equidigital number, since it uses as much as digits as its factorization.

23227889 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 23227889 is about 4819.5320312246. The cubic root of 23227889 is about 285.3228679101.

The spelling of 23227889 in words is "twenty-three million, two hundred twenty-seven thousand, eight hundred eighty-nine".