23166943 has 2 divisors, whose sum is σ = 23166944. Its totient is φ = 23166942.

The previous prime is 23166931. The next prime is 23167031. The reversal of 23166943 is 34966132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23166943 - 2⁹ = 23166431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23166899 and 23166908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23166343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11583471 + 11583472.

It is an arithmetic number, because the mean of its divisors is an integer number (11583472).

Almost surely, 2^23166943 is an apocalyptic number.

23166943 is a deficient number, since it is larger than the sum of its proper divisors (1).

23166943 is an equidigital number, since it uses as much as digits as its factorization.

23166943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The square root of 23166943 is about 4813.2050652346. The cubic root of 23166943 is about 285.0731032335.

The spelling of 23166943 in words is "twenty-three million, one hundred sixty-six thousand, nine hundred forty-three".