23088281 has 2 divisors, whose sum is σ = 23088282. Its totient is φ = 23088280.

The previous prime is 23088223. The next prime is 23088283. The reversal of 23088281 is 18288032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23088025 + 256 = 4805^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 23088281 - 2²² = 18893977 is a prime.

It is a super-2 number, since 2×23088281² = 1066137439069922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 23088283, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23088283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11544140 + 11544141.

It is an arithmetic number, because the mean of its divisors is an integer number (11544141).

Almost surely, 2^23088281 is an apocalyptic number.

It is an amenable number.

23088281 is a deficient number, since it is larger than the sum of its proper divisors (1).

23088281 is an equidigital number, since it uses as much as digits as its factorization.

23088281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 23088281 is about 4805.0266388440. The cubic root of 23088281 is about 284.7500876807.

The spelling of 23088281 in words is "twenty-three million, eighty-eight thousand, two hundred eighty-one".