213101111323 has 4 divisors (see below), whose sum is σ = 213595545888. Its totient is φ = 212606676760.

The previous prime is 213101111317. The next prime is 213101111329. The reversal of 213101111323 is 323111101312.

213101111323 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 an interprime number because it is at equal distance from previous prime (213101111317) and next prime (213101111329).

It is a cyclic number.

It is not a de Polignac number, because 213101111323 - 2⁵ = 213101111291 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 213101111323.

It is not an unprimeable number, because it can be changed into a prime (213101111329) 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, 247216636 + ... + 247217497.

It is an arithmetic number, because the mean of its divisors is an integer number (53398886472).

Almost surely, 2^213101111323 is an apocalyptic number.

213101111323 is a deficient number, since it is larger than the sum of its proper divisors (494434565).

213101111323 is an equidigital number, since it uses as much as digits as its factorization.

213101111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494434564.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 213101111323 its reverse (323111101312), we get a palindrome (536212212635).

The spelling of 213101111323 in words is "two hundred thirteen billion, one hundred one million, one hundred eleven thousand, three hundred twenty-three".