2143313323 has 4 divisors (see below), whose sum is σ = 2143728288. Its totient is φ = 2142898360.

The previous prime is 2143313251. The next prime is 2143313327. The reversal of 2143313323 is 3233133412.

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 2143313323 - 2²⁵ = 2109758891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143313327) 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, 199636 + ... + 210097.

It is an arithmetic number, because the mean of its divisors is an integer number (535932072).

Almost surely, 2^2143313323 is an apocalyptic number.

2143313323 is a deficient number, since it is larger than the sum of its proper divisors (414965).

2143313323 is an equidigital number, since it uses as much as digits as its factorization.

2143313323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414964.

The product of its digits is 3888, while the sum is 25.

The square root of 2143313323 is about 46295.9320351151. The cubic root of 2143313323 is about 1289.3234685477.

Adding to 2143313323 its reverse (3233133412), we get a palindrome (5376446735).

The spelling of 2143313323 in words is "two billion, one hundred forty-three million, three hundred thirteen thousand, three hundred twenty-three".