973823 has 2 divisors, whose sum is σ = 973824. Its totient is φ = 973822.
The previous prime is 973813. The next prime is 973837. The reversal of 973823 is 328379.
It is a weak prime.
973823 is a truncatable prime.
It is an emirp because it is prime and its reverse (328379) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 973823 - 26 = 973759 is a prime.
It is a plaindrome in base 8.
It is a self number, because there is not a number n which added to its sum of digits gives 973823.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (973813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486911 + 486912.
It is an arithmetic number, because the mean of its divisors is an integer number (486912).
2973823 is an apocalyptic number.
973823 is a deficient number, since it is larger than the sum of its proper divisors (1).
973823 is an equidigital number, since it uses as much as digits as its factorization.
973823 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 9072, while the sum is 32.
The square root of 973823 is about 986.8247058115. The cubic root of 973823 is about 99.1197069126.
The spelling of 973823 in words is "nine hundred seventy-three thousand, eight hundred twenty-three".
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