2111330323 has 4 divisors (see below), whose sum is σ = 2111630328. Its totient is φ = 2111030320.

The previous prime is 2111330303. The next prime is 2111330339. The reversal of 2111330323 is 3230331112.

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 2111330323 - 2²¹ = 2109233171 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 2111330323.

It is not an unprimeable number, because it can be changed into a prime (2111330303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139186 + ... + 153607.

It is an arithmetic number, because the mean of its divisors is an integer number (527907582).

Almost surely, 2^2111330323 is an apocalyptic number.

2111330323 is a deficient number, since it is larger than the sum of its proper divisors (300005).

2111330323 is an equidigital number, since it uses as much as digits as its factorization.

2111330323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300004.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2111330323 is about 45949.2146069985. The cubic root of 2111330323 is about 1282.8781108469.

Adding to 2111330323 its reverse (3230331112), we get a palindrome (5341661435).

The spelling of 2111330323 in words is "two billion, one hundred eleven million, three hundred thirty thousand, three hundred twenty-three".