223995 has 16 divisors (see below), whose sum is σ = 364320. Its totient is φ = 117504.

The previous prime is 223969. The next prime is 223999. The reversal of 223995 is 599322.

It is not a de Polignac number, because 223995 - 2⁵ = 223963 is a prime.

It is a D-number.

223995 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223999) 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 15 ways as a sum of consecutive naturals, for example, 1567 + ... + 1703.

It is an arithmetic number, because the mean of its divisors is an integer number (22770).

2²²³⁹⁹⁵ is an apocalyptic number.

223995 is a deficient number, since it is larger than the sum of its proper divisors (140325).

223995 is a wasteful number, since it uses less digits than its factorization.

223995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254.

The product of its digits is 4860, while the sum is 30.

The square root of 223995 is about 473.2811004044. The cubic root of 223995 is about 60.7313275608.

The spelling of 223995 in words is "two hundred twenty-three thousand, nine hundred ninety-five".