2311211323 has 8 divisors (see below), whose sum is σ = 2361300480. Its totient is φ = 2261160360.

The previous prime is 2311211311. The next prime is 2311211339. The reversal of 2311211323 is 3231121132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2311211323 - 2²⁹ = 1774340411 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 2311211323.

It is not an unprimeable number, because it can be changed into a prime (2311211723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136728 + ... + 152698.

It is an arithmetic number, because the mean of its divisors is an integer number (295162560).

Almost surely, 2^2311211323 is an apocalyptic number.

2311211323 is a deficient number, since it is larger than the sum of its proper divisors (50089157).

2311211323 is a wasteful number, since it uses less digits than its factorization.

2311211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19097.

The product of its digits is 216, while the sum is 19.

The square root of 2311211323 is about 48075.0592615339. The cubic root of 2311211323 is about 1322.1474310749.

Adding to 2311211323 its reverse (3231121132), we get a palindrome (5542332455).

It can be divided in two parts, 231121132 and 3, that multiplied together give a palindrome (693363396).

The spelling of 2311211323 in words is "two billion, three hundred eleven million, two hundred eleven thousand, three hundred twenty-three".