23320963 has 2 divisors, whose sum is σ = 23320964. Its totient is φ = 23320962.

The previous prime is 23320949. The next prime is 23320987. The reversal of 23320963 is 36902332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23320963 is a prime.

It is not a weakly prime, because it can be changed into another prime (23320933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660481 + 11660482.

It is an arithmetic number, because the mean of its divisors is an integer number (11660482).

Almost surely, 2^23320963 is an apocalyptic number.

23320963 is a deficient number, since it is larger than the sum of its proper divisors (1).

23320963 is an equidigital number, since it uses as much as digits as its factorization.

23320963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 23320963 is about 4829.1782944928. The cubic root of 23320963 is about 285.7034556490.

The spelling of 23320963 in words is "twenty-three million, three hundred twenty thousand, nine hundred sixty-three".