23158943 has 2 divisors, whose sum is σ = 23158944. Its totient is φ = 23158942.

The previous prime is 23158873. The next prime is 23158969. The reversal of 23158943 is 34985132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23158943 - 2⁸ = 23158687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23158243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11579471 + 11579472.

It is an arithmetic number, because the mean of its divisors is an integer number (11579472).

Almost surely, 2^23158943 is an apocalyptic number.

23158943 is a deficient number, since it is larger than the sum of its proper divisors (1).

23158943 is an equidigital number, since it uses as much as digits as its factorization.

23158943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 23158943 is about 4812.3739464011. The cubic root of 23158943 is about 285.0402856769.

The spelling of 23158943 in words is "twenty-three million, one hundred fifty-eight thousand, nine hundred forty-three".