220304023 has 2 divisors, whose sum is σ = 220304024. Its totient is φ = 220304022.

The previous prime is 220303997. The next prime is 220304027. The reversal of 220304023 is 320403022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220304023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220303988 and 220304006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220304027) 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 as a sum of consecutive naturals, namely, 110152011 + 110152012.

It is an arithmetic number, because the mean of its divisors is an integer number (110152012).

Almost surely, 2^220304023 is an apocalyptic number.

220304023 is a deficient number, since it is larger than the sum of its proper divisors (1).

220304023 is an equidigital number, since it uses as much as digits as its factorization.

220304023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 220304023 is about 14842.6420491771. The cubic root of 220304023 is about 603.9590258815.

Adding to 220304023 its reverse (320403022), we get a palindrome (540707045).

The spelling of 220304023 in words is "two hundred twenty million, three hundred four thousand, twenty-three".