23006281 has 2 divisors, whose sum is σ = 23006282. Its totient is φ = 23006280.

The previous prime is 23006261. The next prime is 23006297. The reversal of 23006281 is 18260032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 765625 = 4716^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 23006281 - 2⁷ = 23006153 is a prime.

It is a super-2 number, since 2×23006281² = 1058577930901922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23006231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11503140 + 11503141.

It is an arithmetic number, because the mean of its divisors is an integer number (11503141).

Almost surely, 2^23006281 is an apocalyptic number.

It is an amenable number.

23006281 is a deficient number, since it is larger than the sum of its proper divisors (1).

23006281 is an equidigital number, since it uses as much as digits as its factorization.

23006281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 23006281 is about 4796.4863181291. The cubic root of 23006281 is about 284.4125830616.

The spelling of 23006281 in words is "twenty-three million, six thousand, two hundred eighty-one".