213032111223 has 4 divisors (see below), whose sum is σ = 284042814968. Its totient is φ = 142021407480.

The previous prime is 213032111209. The next prime is 213032111233. The reversal of 213032111223 is 322111230312.

213032111223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 213032111223 - 2¹⁶ = 213032045687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213032111223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213032111233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35505351868 + ... + 35505351873.

It is an arithmetic number, because the mean of its divisors is an integer number (71010703742).

Almost surely, 2^213032111223 is an apocalyptic number.

213032111223 is a deficient number, since it is larger than the sum of its proper divisors (71010703745).

213032111223 is an equidigital number, since it uses as much as digits as its factorization.

213032111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71010703744.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213032111223 its reverse (322111230312), we get a palindrome (535143341535).

The spelling of 213032111223 in words is "two hundred thirteen billion, thirty-two million, one hundred eleven thousand, two hundred twenty-three".