323420255 has 4 divisors (see below), whose sum is σ = 388104312. Its totient is φ = 258736200.

The previous prime is 323420249. The next prime is 323420269. The reversal of 323420255 is 552024323.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 323420255 - 2⁶ = 323420191 is a prime.

It is a super-2 number, since 2×323420255² = 209201322688530050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 32342021 + ... + 32342030.

It is an arithmetic number, because the mean of its divisors is an integer number (97026078).

Almost surely, 2^323420255 is an apocalyptic number.

323420255 is a deficient number, since it is larger than the sum of its proper divisors (64684057).

323420255 is an equidigital number, since it uses as much as digits as its factorization.

323420255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64684056.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 323420255 is about 17983.8887618891. Note that the first 3 decimals coincide. The cubic root of 323420255 is about 686.4186451746.

Adding to 323420255 its reverse (552024323), we get a palindrome (875444578).

The spelling of 323420255 in words is "three hundred twenty-three million, four hundred twenty thousand, two hundred fifty-five".