231321112021323 has 24 divisors (see below), whose sum is σ = 348715321018272. Its totient is φ = 147484824778368.

The previous prime is 231321112021253. The next prime is 231321112021381. The reversal of 231321112021323 is 323120211123132.

231321112021323 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 211 + 120 + 2 + 1 + 323 = 666.

It is not a de Polignac number, because 231321112021323 - 2¹⁷ = 231321111890251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231321112021123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90747936 + ... + 93262157.

It is an arithmetic number, because the mean of its divisors is an integer number (14529805042428).

Almost surely, 2^{231321112021323} is an apocalyptic number.

231321112021323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231321112021323 is a deficient number, since it is larger than the sum of its proper divisors (117394208996949).

231321112021323 is a wasteful number, since it uses less digits than its factorization.

231321112021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184016195 (or 184016192 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 231321112021323 its reverse (323120211123132), we get a palindrome (554441323144455).

The spelling of 231321112021323 in words is "two hundred thirty-one trillion, three hundred twenty-one billion, one hundred twelve million, twenty-one thousand, three hundred twenty-three".