231005323 has 8 divisors (see below), whose sum is σ = 236216736. Its totient is φ = 225825600.

The previous prime is 231005321. The next prime is 231005339. The reversal of 231005323 is 323500132.

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 231005323 - 2¹ = 231005321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231005323.

It is not an unprimeable number, because it can be changed into a prime (231005321) 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, 7138 + ... + 22648.

It is an arithmetic number, because the mean of its divisors is an integer number (29527092).

Almost surely, 2^231005323 is an apocalyptic number.

231005323 is a deficient number, since it is larger than the sum of its proper divisors (5211413).

231005323 is a wasteful number, since it uses less digits than its factorization.

231005323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15845.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 231005323 is about 15198.8592664055. The cubic root of 231005323 is about 613.5839568915.

Adding to 231005323 its reverse (323500132), we get a palindrome (554505455).

The spelling of 231005323 in words is "two hundred thirty-one million, five thousand, three hundred twenty-three".