2211323 has 4 divisors (see below), whose sum is σ = 2282688. Its totient is φ = 2139960.

The previous prime is 2211281. The next prime is 2211329. The reversal of 2211323 is 3231122.

It is a happy number.

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 2211323 - 2⁶ = 2211259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211298 and 2211307.

It is not an unprimeable number, because it can be changed into a prime (2211329) 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, 35636 + ... + 35697.

It is an arithmetic number, because the mean of its divisors is an integer number (570672).

2^2211323 is an apocalyptic number.

2211323 is a deficient number, since it is larger than the sum of its proper divisors (71365).

2211323 is an equidigital number, since it uses as much as digits as its factorization.

2211323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71364.

The product of its digits is 72, while the sum is 14.

The square root of 2211323 is about 1487.0517812101. The cubic root of 2211323 is about 130.2818932292.

Adding to 2211323 its reverse (3231122), we get a palindrome (5442445).

The spelling of 2211323 in words is "two million, two hundred eleven thousand, three hundred twenty-three".