231203220311323 has 8 divisors (see below), whose sum is σ = 249107387745888. Its totient is φ = 213316096353024.

The previous prime is 231203220311279. The next prime is 231203220311347. The reversal of 231203220311323 is 323113022302132.

It is a happy number.

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-231203220311323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231203220311291 and 231203220311300.

It is not an unprimeable number, because it can be changed into a prime (231203250311323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4260840886 + ... + 4260895147.

It is an arithmetic number, because the mean of its divisors is an integer number (31138423468236).

Almost surely, 2^{231203220311323} is an apocalyptic number.

231203220311323 is a deficient number, since it is larger than the sum of its proper divisors (17904167434565).

231203220311323 is a wasteful number, since it uses less digits than its factorization.

231203220311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8521738133.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 231203220311323 its reverse (323113022302132), we get a palindrome (554316242613455).

The spelling of 231203220311323 in words is "two hundred thirty-one trillion, two hundred three billion, two hundred twenty million, three hundred eleven thousand, three hundred twenty-three".