23457443 has 2 divisors, whose sum is σ = 23457444. Its totient is φ = 23457442.

The previous prime is 23457431. The next prime is 23457449. The reversal of 23457443 is 34475432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23457443 - 2²⁴ = 6680227 is a prime.

It is not a weakly prime, because it can be changed into another prime (23457449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11728721 + 11728722.

It is an arithmetic number, because the mean of its divisors is an integer number (11728722).

Almost surely, 2^23457443 is an apocalyptic number.

23457443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23457443 is an equidigital number, since it uses as much as digits as its factorization.

23457443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 32.

The square root of 23457443 is about 4843.2884489776. The cubic root of 23457443 is about 286.2597075330.

The spelling of 23457443 in words is "twenty-three million, four hundred fifty-seven thousand, four hundred forty-three".