2312320343 has 4 divisors (see below), whose sum is σ = 2314115520. Its totient is φ = 2310525168.

The previous prime is 2312320327. The next prime is 2312320357. The reversal of 2312320343 is 3430232132.

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 2312320343 - 2⁴ = 2312320327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312320393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895655 + ... + 898232.

It is an arithmetic number, because the mean of its divisors is an integer number (578528880).

Almost surely, 2^2312320343 is an apocalyptic number.

2312320343 is a deficient number, since it is larger than the sum of its proper divisors (1795177).

2312320343 is a wasteful number, since it uses less digits than its factorization.

2312320343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795176.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 2312320343 is about 48086.5921333588. The cubic root of 2312320343 is about 1322.3588719273.

Adding to 2312320343 its reverse (3430232132), we get a palindrome (5742552475).

The spelling of 2312320343 in words is "two billion, three hundred twelve million, three hundred twenty thousand, three hundred forty-three".