2144323211 has 4 divisors (see below), whose sum is σ = 2149836000. Its totient is φ = 2138810424.

The previous prime is 2144323201. The next prime is 2144323217. The reversal of 2144323211 is 1123234412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144323211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144323217) 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, 2755811 + ... + 2756588.

It is an arithmetic number, because the mean of its divisors is an integer number (537459000).

Almost surely, 2^2144323211 is an apocalyptic number.

2144323211 is a deficient number, since it is larger than the sum of its proper divisors (5512789).

2144323211 is an equidigital number, since it uses as much as digits as its factorization.

2144323211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512788.

The product of its digits is 1152, while the sum is 23.

The square root of 2144323211 is about 46306.8376268559. The cubic root of 2144323211 is about 1289.5259382216.

Adding to 2144323211 its reverse (1123234412), we get a palindrome (3267557623).

The spelling of 2144323211 in words is "two billion, one hundred forty-four million, three hundred twenty-three thousand, two hundred eleven".