231011213322223 has 4 divisors (see below), whose sum is σ = 234926657615880. Its totient is φ = 227095769028568.

The previous prime is 231011213322161. The next prime is 231011213322229. The reversal of 231011213322223 is 322223312110132.

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 231011213322223 - 2³⁷ = 230873774368751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231011213322191 and 231011213322200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231011213322229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1957722146740 + ... + 1957722146857.

It is an arithmetic number, because the mean of its divisors is an integer number (58731664403970).

Almost surely, 2^{231011213322223} is an apocalyptic number.

231011213322223 is a deficient number, since it is larger than the sum of its proper divisors (3915444293657).

231011213322223 is an equidigital number, since it uses as much as digits as its factorization.

231011213322223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915444293656.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 231011213322223 its reverse (322223312110132), we get a palindrome (553234525432355).

The spelling of 231011213322223 in words is "two hundred thirty-one trillion, eleven billion, two hundred thirteen million, three hundred twenty-two thousand, two hundred twenty-three".