2143012443 has 24 divisors (see below), whose sum is σ = 3375339840. Its totient is φ = 1198884960.

The previous prime is 2143012429. The next prime is 2143012463. The reversal of 2143012443 is 3442103412.

It is not a de Polignac number, because 2143012443 - 2⁸ = 2143012187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143012463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186553 + ... + 197706.

It is an arithmetic number, because the mean of its divisors is an integer number (140639160).

Almost surely, 2^2143012443 is an apocalyptic number.

2143012443 is a deficient number, since it is larger than the sum of its proper divisors (1232327397).

2143012443 is a wasteful number, since it uses less digits than its factorization.

2143012443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384299 (or 384286 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2143012443 is about 46292.6823914968. The cubic root of 2143012443 is about 1289.2631336455.

Adding to 2143012443 its reverse (3442103412), we get a palindrome (5585115855).

The spelling of 2143012443 in words is "two billion, one hundred forty-three million, twelve thousand, four hundred forty-three".