323143456 has 12 divisors (see below), whose sum is σ = 636188742. Its totient is φ = 161571712.

The previous prime is 323143453. The next prime is 323143487. The reversal of 323143456 is 654341323.

It can be written as a sum of positive squares in only one way, i.e., 299290000 + 23853456 = 17300^2 + 4884^2 .

It is not an unprimeable number, because it can be changed into a prime (323143451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5049085 + ... + 5049148.

Almost surely, 2^323143456 is an apocalyptic number.

It is an amenable number.

323143456 is a deficient number, since it is larger than the sum of its proper divisors (313045286).

323143456 is a wasteful number, since it uses less digits than its factorization.

323143456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10098243 (or 10098235 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 323143456 is about 17976.1913652475. The cubic root of 323143456 is about 686.2227656430. Note that the first 3 decimals are identical.

Adding to 323143456 its reverse (654341323), we get a palindrome (977484779).

The spelling of 323143456 in words is "three hundred twenty-three million, one hundred forty-three thousand, four hundred fifty-six".