323023985 has 4 divisors (see below), whose sum is σ = 387628788. Its totient is φ = 258419184.

The previous prime is 323023979. The next prime is 323023993. The reversal of 323023985 is 589320323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70627216 + 252396769 = 8404^2 + 15887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323023985 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 32302394 + ... + 32302403.

It is an arithmetic number, because the mean of its divisors is an integer number (96907197).

Almost surely, 2^323023985 is an apocalyptic number.

It is an amenable number.

323023985 is a deficient number, since it is larger than the sum of its proper divisors (64604803).

323023985 is an equidigital number, since it uses as much as digits as its factorization.

323023985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64604802.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 323023985 is about 17972.8680237741. The cubic root of 323023985 is about 686.1381862567.

The spelling of 323023985 in words is "three hundred twenty-three million, twenty-three thousand, nine hundred eighty-five".