220206323 has 2 divisors, whose sum is σ = 220206324. Its totient is φ = 220206322.

The previous prime is 220206319. The next prime is 220206341. The reversal of 220206323 is 323602022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220206323 - 2² = 220206319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220206295 and 220206304.

It is not a weakly prime, because it can be changed into another prime (220206313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110103161 + 110103162.

It is an arithmetic number, because the mean of its divisors is an integer number (110103162).

Almost surely, 2^220206323 is an apocalyptic number.

220206323 is a deficient number, since it is larger than the sum of its proper divisors (1).

220206323 is an equidigital number, since it uses as much as digits as its factorization.

220206323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 220206323 is about 14839.3504911772. The cubic root of 220206323 is about 603.8697318218.

Adding to 220206323 its reverse (323602022), we get a palindrome (543808345).

The spelling of 220206323 in words is "two hundred twenty million, two hundred six thousand, three hundred twenty-three".