23603963 has 2 divisors, whose sum is σ = 23603964. Its totient is φ = 23603962.

The previous prime is 23603959. The next prime is 23603969. The reversal of 23603963 is 36930632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23603963 - 2² = 23603959 is a prime.

It is not a weakly prime, because it can be changed into another prime (23603969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11801981 + 11801982.

It is an arithmetic number, because the mean of its divisors is an integer number (11801982).

Almost surely, 2^23603963 is an apocalyptic number.

23603963 is a deficient number, since it is larger than the sum of its proper divisors (1).

23603963 is an equidigital number, since it uses as much as digits as its factorization.

23603963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 32.

The square root of 23603963 is about 4858.3909887945. The cubic root of 23603963 is about 286.8544831643.

The spelling of 23603963 in words is "twenty-three million, six hundred three thousand, nine hundred sixty-three".