323140424 has 32 divisors (see below), whose sum is σ = 617520000. Its totient is φ = 158483520.

The previous prime is 323140423. The next prime is 323140427. The reversal of 323140424 is 424041323.

It is a self number, because there is not a number n which added to its sum of digits gives 323140424.

It is not an unprimeable number, because it can be changed into a prime (323140423) 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 in 7 ways as a sum of consecutive naturals, for example, 242849 + ... + 244175.

It is an arithmetic number, because the mean of its divisors is an integer number (19297500).

Almost surely, 2^323140424 is an apocalyptic number.

It is an amenable number.

323140424 is a deficient number, since it is larger than the sum of its proper divisors (294379576).

323140424 is a wasteful number, since it uses less digits than its factorization.

323140424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893 (or 1889 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 323140424 is about 17976.1070312790. The cubic root of 323140424 is about 686.2206193992.

Adding to 323140424 its reverse (424041323), we get a palindrome (747181747).

The spelling of 323140424 in words is "three hundred twenty-three million, one hundred forty thousand, four hundred twenty-four".