213113212323 has 32 divisors (see below), whose sum is σ = 310864690944. Its totient is φ = 128792640000.

The previous prime is 213113212289. The next prime is 213113212357. The reversal of 213113212323 is 323212311312.

213113212323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213113212289) and next prime (213113212357).

It is not a de Polignac number, because 213113212323 - 2¹² = 213113208227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213113212293 and 213113212302.

It is not an unprimeable number, because it can be changed into a prime (213113212223) 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 31 ways as a sum of consecutive naturals, for example, 17346943 + ... + 17359223.

It is an arithmetic number, because the mean of its divisors is an integer number (9714521592).

Almost surely, 2^213113212323 is an apocalyptic number.

213113212323 is a deficient number, since it is larger than the sum of its proper divisors (97751478621).

213113212323 is a wasteful number, since it uses less digits than its factorization.

213113212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13747.

The product of its digits is 1296, while the sum is 24.

Adding to 213113212323 its reverse (323212311312), we get a palindrome (536325523635).

The spelling of 213113212323 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred twelve thousand, three hundred twenty-three".