923543 has 2 divisors, whose sum is σ = 923544. Its totient is φ = 923542.

The previous prime is 923539. The next prime is 923551. The reversal of 923543 is 345329.

It is a weak prime.

It is an emirp because it is prime and its reverse (345329) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 923543 - 2² = 923539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (923513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461771 + 461772.

It is an arithmetic number, because the mean of its divisors is an integer number (461772).

2⁹²³⁵⁴³ is an apocalyptic number.

923543 is a deficient number, since it is larger than the sum of its proper divisors (1).

923543 is an equidigital number, since it uses as much as digits as its factorization.

923543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 26.

The square root of 923543 is about 961.0114463418. The cubic root of 923543 is about 97.3835734982.

The spelling of 923543 in words is "nine hundred twenty-three thousand, five hundred forty-three".