323421243 has 32 divisors (see below), whose sum is σ = 471562560. Its totient is φ = 196362240.

The previous prime is 323421229. The next prime is 323421257. The reversal of 323421243 is 342124323.

It is an interprime number because it is at equal distance from previous prime (323421229) and next prime (323421257).

It is not a de Polignac number, because 323421243 - 2⁴ = 323421227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (323421143) 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 31 ways as a sum of consecutive naturals, for example, 285903 + ... + 287031.

It is an arithmetic number, because the mean of its divisors is an integer number (14736330).

Almost surely, 2^323421243 is an apocalyptic number.

323421243 is a deficient number, since it is larger than the sum of its proper divisors (148141317).

323421243 is a wasteful number, since it uses less digits than its factorization.

323421243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327.

The product of its digits is 3456, while the sum is 24.

The square root of 323421243 is about 17983.9162308992. The cubic root of 323421243 is about 686.4193441423.

Adding to 323421243 its reverse (342124323), we get a palindrome (665545566).

The spelling of 323421243 in words is "three hundred twenty-three million, four hundred twenty-one thousand, two hundred forty-three".