231201031323 has 8 divisors (see below), whose sum is σ = 308288268288. Its totient is φ = 154123907624.

The previous prime is 231201031291. The next prime is 231201031343. The reversal of 231201031323 is 323130102132.

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 231201031323 - 2⁵ = 231201031291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231201031323.

It is not an unprimeable number, because it can be changed into a prime (231201031343) 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, 2474811 + ... + 2566532.

It is an arithmetic number, because the mean of its divisors is an integer number (38536033536).

Almost surely, 2^231201031323 is an apocalyptic number.

231201031323 is a deficient number, since it is larger than the sum of its proper divisors (77087236965).

231201031323 is a wasteful number, since it uses less digits than its factorization.

231201031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056633.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231201031323 its reverse (323130102132), we get a palindrome (554331133455).

The spelling of 231201031323 in words is "two hundred thirty-one billion, two hundred one million, thirty-one thousand, three hundred twenty-three".