23297009 has 2 divisors, whose sum is σ = 23297010. Its totient is φ = 23297008.

The previous prime is 23296997. The next prime is 23297041. The reversal of 23297009 is 90079232.

It is an a-pointer prime, because the next prime (23297041) can be obtained adding 23297009 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23280625 + 16384 = 4825^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 23297009 - 2⁴ = 23296993 is a prime.

It is a super-3 number, since 3×23297009³ (a number of 23 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23297069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11648504 + 11648505.

It is an arithmetic number, because the mean of its divisors is an integer number (11648505).

Almost surely, 2^23297009 is an apocalyptic number.

It is an amenable number.

23297009 is a deficient number, since it is larger than the sum of its proper divisors (1).

23297009 is an equidigital number, since it uses as much as digits as its factorization.

23297009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 23297009 is about 4826.6975252236. The cubic root of 23297009 is about 285.6056025560.

The spelling of 23297009 in words is "twenty-three million, two hundred ninety-seven thousand, nine".