23320943 has 2 divisors, whose sum is σ = 23320944. Its totient is φ = 23320942.

The previous prime is 23320933. The next prime is 23320949. The reversal of 23320943 is 34902332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23320943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23320949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660471 + 11660472.

It is an arithmetic number, because the mean of its divisors is an integer number (11660472).

Almost surely, 2^23320943 is an apocalyptic number.

23320943 is a deficient number, since it is larger than the sum of its proper divisors (1).

23320943 is an equidigital number, since it uses as much as digits as its factorization.

23320943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 23320943 is about 4829.1762237467. The cubic root of 23320943 is about 285.7033739761.

The spelling of 23320943 in words is "twenty-three million, three hundred twenty thousand, nine hundred forty-three".