323504231 has 8 divisors (see below), whose sum is σ = 327705840. Its totient is φ = 319315392.

The previous prime is 323504221. The next prime is 323504249. The reversal of 323504231 is 132405323.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323504231 is a prime.

It is a super-2 number, since 2×323504231² = 209309974949802722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323504197 and 323504206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323504221) 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, 54401 + ... + 60053.

It is an arithmetic number, because the mean of its divisors is an integer number (40963230).

Almost surely, 2^323504231 is an apocalyptic number.

323504231 is a deficient number, since it is larger than the sum of its proper divisors (4201609).

323504231 is an equidigital number, since it uses as much as digits as its factorization.

323504231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 323504231 is about 17986.2233667883. The cubic root of 323504231 is about 686.4780495182.

Adding to 323504231 its reverse (132405323), we get a palindrome (455909554).

The spelling of 323504231 in words is "three hundred twenty-three million, five hundred four thousand, two hundred thirty-one".