23603969 has 2 divisors, whose sum is σ = 23603970. Its totient is φ = 23603968.

The previous prime is 23603963. The next prime is 23603977. The reversal of 23603969 is 96930632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22420225 + 1183744 = 4735^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 23603969 - 2¹⁶ = 23538433 is a prime.

It is a super-2 number, since 2×23603969² = 1114294705105922, which contains 22 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 (23603963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11801984 + 11801985.

It is an arithmetic number, because the mean of its divisors is an integer number (11801985).

Almost surely, 2^23603969 is an apocalyptic number.

It is an amenable number.

23603969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23603969 is an equidigital number, since it uses as much as digits as its factorization.

23603969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 23603969 is about 4858.3916062829. The cubic root of 23603969 is about 286.8545074699.

The spelling of 23603969 in words is "twenty-three million, six hundred three thousand, nine hundred sixty-nine".