284323313 has 2 divisors, whose sum is σ = 284323314. Its totient is φ = 284323312.

The previous prime is 284323271. The next prime is 284323327. The reversal of 284323313 is 313323482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249418849 + 34904464 = 15793^2 + 5908^2 .

It is a cyclic number.

It is not a de Polignac number, because 284323313 - 2²⁰ = 283274737 is a prime.

It is a super-3 number, since 3×284323313³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_15448241 and since 284323313 and 15448241 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (284325313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142161656 + 142161657.

It is an arithmetic number, because the mean of its divisors is an integer number (142161657).

Almost surely, 2^284323313 is an apocalyptic number.

It is an amenable number.

284323313 is a deficient number, since it is larger than the sum of its proper divisors (1).

284323313 is an equidigital number, since it uses as much as digits as its factorization.

284323313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 29.

The square root of 284323313 is about 16861.8893662602. The cubic root of 284323313 is about 657.5631849527.

Adding to 284323313 its reverse (313323482), we get a palindrome (597646795).

The spelling of 284323313 in words is "two hundred eighty-four million, three hundred twenty-three thousand, three hundred thirteen".