23660069 has 2 divisors, whose sum is σ = 23660070. Its totient is φ = 23660068.

The previous prime is 23660033. The next prime is 23660071. The reversal of 23660069 is 96006632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23639044 + 21025 = 4862^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 23660069 - 2¹⁶ = 23594533 is a prime.

It is a super-2 number, since 2×23660069² = 1119597730169522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 23660071, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23660029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11830034 + 11830035.

It is an arithmetic number, because the mean of its divisors is an integer number (11830035).

Almost surely, 2^23660069 is an apocalyptic number.

It is an amenable number.

23660069 is a deficient number, since it is larger than the sum of its proper divisors (1).

23660069 is an equidigital number, since it uses as much as digits as its factorization.

23660069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 23660069 is about 4864.1616955031. The cubic root of 23660069 is about 287.0815851778.

The spelling of 23660069 in words is "twenty-three million, six hundred sixty thousand, sixty-nine".