231022211323 has 4 divisors (see below), whose sum is σ = 231810683328. Its totient is φ = 230233739320.

The previous prime is 231022211311. The next prime is 231022211401. The reversal of 231022211323 is 323112220132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231022211323 - 2¹⁷ = 231022080251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231022211294 and 231022211303.

It is not an unprimeable number, because it can be changed into a prime (231022211023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394235563 + ... + 394236148.

It is an arithmetic number, because the mean of its divisors is an integer number (57952670832).

Almost surely, 2^231022211323 is an apocalyptic number.

231022211323 is a deficient number, since it is larger than the sum of its proper divisors (788472005).

231022211323 is an equidigital number, since it uses as much as digits as its factorization.

231022211323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788472004.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231022211323 its reverse (323112220132), we get a palindrome (554134431455).

The spelling of 231022211323 in words is "two hundred thirty-one billion, twenty-two million, two hundred eleven thousand, three hundred twenty-three".