323040287 has 8 divisors (see below), whose sum is σ = 325840320. Its totient is φ = 320252800.

The previous prime is 323040203. The next prime is 323040317. The reversal of 323040287 is 782040323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323040287 - 2¹⁸ = 322778143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323040187) 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, 52787 + ... + 58587.

It is an arithmetic number, because the mean of its divisors is an integer number (40730040).

Almost surely, 2^323040287 is an apocalyptic number.

323040287 is a deficient number, since it is larger than the sum of its proper divisors (2800033).

323040287 is a wasteful number, since it uses less digits than its factorization.

323040287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 323040287 is about 17973.3215349862. The cubic root of 323040287 is about 686.1497284714.

The spelling of 323040287 in words is "three hundred twenty-three million, forty thousand, two hundred eighty-seven".