231222001120323 has 4 divisors (see below), whose sum is σ = 308296001493768. Its totient is φ = 154148000746880.

The previous prime is 231222001120309. The next prime is 231222001120373. The reversal of 231222001120323 is 323021100222132.

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 231222001120323 - 2⁶ = 231222001120259 is a prime.

It is a super-2 number, since 2×231222001120323² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231222001120293 and 231222001120302.

It is not an unprimeable number, because it can be changed into a prime (231222001120373) 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 3 ways as a sum of consecutive naturals, for example, 38537000186718 + ... + 38537000186723.

It is an arithmetic number, because the mean of its divisors is an integer number (77074000373442).

Almost surely, 2^{231222001120323} is an apocalyptic number.

231222001120323 is a deficient number, since it is larger than the sum of its proper divisors (77074000373445).

231222001120323 is an equidigital number, since it uses as much as digits as its factorization.

231222001120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77074000373444.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231222001120323 its reverse (323021100222132), we get a palindrome (554243101342455).

The spelling of 231222001120323 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, one million, one hundred twenty thousand, three hundred twenty-three".