7998323 has 4 divisors (see below), whose sum is σ = 8004048. Its totient is φ = 7992600.

The previous prime is 7998307. The next prime is 7998337. The reversal of 7998323 is 3238997.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3238997 = 107 ⋅30271.

It is a cyclic number.

It is not a de Polignac number, because 7998323 - 2⁴ = 7998307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7998383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (2001012).

Almost surely, 2^7998323 is an apocalyptic number.

7998323 is a deficient number, since it is larger than the sum of its proper divisors (5725).

7998323 is a wasteful number, since it uses less digits than its factorization.

7998323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724.

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

The square root of 7998323 is about 2828.1306546905. The cubic root of 7998323 is about 199.9860240234.

The spelling of 7998323 in words is "seven million, nine hundred ninety-eight thousand, three hundred twenty-three".