220100323 has 2 divisors, whose sum is σ = 220100324. Its totient is φ = 220100322.

The previous prime is 220100303. The next prime is 220100357. The reversal of 220100323 is 323001022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220100323 - 2⁵ = 220100291 is a prime.

It is not a weakly prime, because it can be changed into another prime (220100303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110050161 + 110050162.

It is an arithmetic number, because the mean of its divisors is an integer number (110050162).

Almost surely, 2^220100323 is an apocalyptic number.

220100323 is a deficient number, since it is larger than the sum of its proper divisors (1).

220100323 is an equidigital number, since it uses as much as digits as its factorization.

220100323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 220100323 is about 14835.7784763726. The cubic root of 220100323 is about 603.7728220022.

Adding to 220100323 its reverse (323001022), we get a palindrome (543101345).

The spelling of 220100323 in words is "two hundred twenty million, one hundred thousand, three hundred twenty-three".