205321223 has 8 divisors (see below), whose sum is σ = 217948320. Its totient is φ = 192755200.

The previous prime is 205321219. The next prime is 205321241. The reversal of 205321223 is 322123502.

205321223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205321223 - 2² = 205321219 is a prime.

It is a super-2 number, since 2×205321223² = 84313609228431458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205321195 and 205321204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205321213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8243 + ... + 21876.

It is an arithmetic number, because the mean of its divisors is an integer number (27243540).

Almost surely, 2^205321223 is an apocalyptic number.

205321223 is a deficient number, since it is larger than the sum of its proper divisors (12627097).

205321223 is a wasteful number, since it uses less digits than its factorization.

205321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30537.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 205321223 is about 14329.0342661325. The cubic root of 205321223 is about 589.9446687554.

Adding to 205321223 its reverse (322123502), we get a palindrome (527444725).

The spelling of 205321223 in words is "two hundred five million, three hundred twenty-one thousand, two hundred twenty-three".