23603441 has 2 divisors, whose sum is σ = 23603442. Its totient is φ = 23603440.

The previous prime is 23603399. The next prime is 23603443. The reversal of 23603441 is 14430632.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22800625 + 802816 = 4775^2 + 896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23603441 is a prime.

It is a Sophie Germain prime.

Together with 23603443, 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 (23603443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11801720 + 11801721.

It is an arithmetic number, because the mean of its divisors is an integer number (11801721).

Almost surely, 2^23603441 is an apocalyptic number.

It is an amenable number.

23603441 is a deficient number, since it is larger than the sum of its proper divisors (1).

23603441 is an equidigital number, since it uses as much as digits as its factorization.

23603441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 23603441 is about 4858.3372670081. The cubic root of 23603441 is about 286.8523685597.

The spelling of 23603441 in words is "twenty-three million, six hundred three thousand, four hundred forty-one".