231304040323 has 8 divisors (see below), whose sum is σ = 245421463680. Its totient is φ = 217243428480.

The previous prime is 231304040263. The next prime is 231304040333. The reversal of 231304040323 is 323040403132.

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-231304040323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231304040333) 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, 14194488 + ... + 14210773.

It is an arithmetic number, because the mean of its divisors is an integer number (30677682960).

Almost surely, 2^231304040323 is an apocalyptic number.

231304040323 is a deficient number, since it is larger than the sum of its proper divisors (14117423357).

231304040323 is a wasteful number, since it uses less digits than its factorization.

231304040323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28405757.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 231304040323 its reverse (323040403132), we get a palindrome (554344443455).

The spelling of 231304040323 in words is "two hundred thirty-one billion, three hundred four million, forty thousand, three hundred twenty-three".