323628239 has 8 divisors (see below), whose sum is σ = 368399232. Its totient is φ = 281415640.

The previous prime is 323628209. The next prime is 323628247. The reversal of 323628239 is 932826323.

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

It is not a de Polignac number, because 323628239 - 2¹² = 323624143 is a prime.

It is a super-2 number, since 2×323628239² = 209470474156482242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323628209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639329 + ... + 639834.

It is an arithmetic number, because the mean of its divisors is an integer number (46049904).

Almost surely, 2^323628239 is an apocalyptic number.

323628239 is a deficient number, since it is larger than the sum of its proper divisors (44770993).

323628239 is a wasteful number, since it uses less digits than its factorization.

323628239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279197.

The product of its digits is 93312, while the sum is 38.

The square root of 323628239 is about 17989.6703416155. The cubic root of 323628239 is about 686.5657535694.

The spelling of 323628239 in words is "three hundred twenty-three million, six hundred twenty-eight thousand, two hundred thirty-nine".