323209252 has 12 divisors (see below), whose sum is σ = 573364876. Its totient is φ = 159390720.

The previous prime is 323209231. The next prime is 323209283. The reversal of 323209252 is 252902323.

It can be written as a sum of positive squares in 2 ways, for example, as 246050596 + 77158656 = 15686^2 + 8784^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 323209252.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 553149 + ... + 553732.

Almost surely, 2^323209252 is an apocalyptic number.

It is an amenable number.

323209252 is a deficient number, since it is larger than the sum of its proper divisors (250155624).

323209252 is a wasteful number, since it uses less digits than its factorization.

323209252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106958 (or 1106956 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 323209252 is about 17978.0213594266. The cubic root of 323209252 is about 686.2693369601.

The spelling of 323209252 in words is "three hundred twenty-three million, two hundred nine thousand, two hundred fifty-two".