223799 has 4 divisors (see below), whose sum is σ = 225336. Its totient is φ = 222264.

The previous prime is 223781. The next prime is 223823. The reversal of 223799 is 997322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223799 - 2⁸ = 223543 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524 + ... + 849.

It is an arithmetic number, because the mean of its divisors is an integer number (56334).

2²²³⁷⁹⁹ is an apocalyptic number.

223799 is a deficient number, since it is larger than the sum of its proper divisors (1537).

223799 is a wasteful number, since it uses less digits than its factorization.

223799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536.

The product of its digits is 6804, while the sum is 32.

The square root of 223799 is about 473.0739899847. The cubic root of 223799 is about 60.7136086924.

The spelling of 223799 in words is "two hundred twenty-three thousand, seven hundred ninety-nine".