7993823 has 2 divisors, whose sum is σ = 7993824. Its totient is φ = 7993822.

The previous prime is 7993801. The next prime is 7993841. The reversal of 7993823 is 3283997.

It is a strong prime.

It is an emirp because it is prime and its reverse (3283997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7993823 - 2⁶ = 7993759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7993883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996911 + 3996912.

It is an arithmetic number, because the mean of its divisors is an integer number (3996912).

Almost surely, 2^7993823 is an apocalyptic number.

7993823 is a deficient number, since it is larger than the sum of its proper divisors (1).

7993823 is an equidigital number, since it uses as much as digits as its factorization.

7993823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 7993823 is about 2827.3349642375. The cubic root of 7993823 is about 199.9485117459.

The spelling of 7993823 in words is "seven million, nine hundred ninety-three thousand, eight hundred twenty-three".