323405243 has 6 divisors (see below), whose sum is σ = 376206156. Its totient is φ = 277204452.

The previous prime is 323405239. The next prime is 323405249. The reversal of 323405243 is 342504323.

It is not a de Polignac number, because 323405243 - 2² = 323405239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323405249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3300005 + ... + 3300102.

It is an arithmetic number, because the mean of its divisors is an integer number (62701026).

Almost surely, 2^323405243 is an apocalyptic number.

323405243 is a deficient number, since it is larger than the sum of its proper divisors (52800913).

323405243 is an equidigital number, since it uses as much as digits as its factorization.

323405243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6600121 (or 6600114 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 323405243 is about 17983.4713834677. The cubic root of 323405243 is about 686.4080246523.

Adding to 323405243 its reverse (342504323), we get a palindrome (665909566).

The spelling of 323405243 in words is "three hundred twenty-three million, four hundred five thousand, two hundred forty-three".