2312142443 has 16 divisors (see below), whose sum is σ = 2640206016. Its totient is φ = 2005893120.

The previous prime is 2312142439. The next prime is 2312142457. The reversal of 2312142443 is 3442412132.

It is a cyclic number.

It is not a de Polignac number, because 2312142443 - 2² = 2312142439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312142143) 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 15 ways as a sum of consecutive naturals, for example, 157163 + ... + 171243.

It is an arithmetic number, because the mean of its divisors is an integer number (165012876).

Almost surely, 2^2312142443 is an apocalyptic number.

2312142443 is a deficient number, since it is larger than the sum of its proper divisors (328063573).

2312142443 is a wasteful number, since it uses less digits than its factorization.

2312142443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14854.

The product of its digits is 4608, while the sum is 26.

The square root of 2312142443 is about 48084.7423098013. The cubic root of 2312142443 is about 1322.3249588528.

Adding to 2312142443 its reverse (3442412132), we get a palindrome (5754554575).

The spelling of 2312142443 in words is "two billion, three hundred twelve million, one hundred forty-two thousand, four hundred forty-three".