2143435312 has 20 divisors (see below), whose sum is σ = 4155820816. Its totient is φ = 1070965440.

The previous prime is 2143435303. The next prime is 2143435373. The reversal of 2143435312 is 2135343412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23139 + ... + 69442.

Almost surely, 2^2143435312 is an apocalyptic number.

It is an amenable number.

2143435312 is a deficient number, since it is larger than the sum of its proper divisors (2012385504).

2143435312 is a wasteful number, since it uses less digits than its factorization.

2143435312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94036 (or 94030 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 2143435312 is about 46297.2495079351. The cubic root of 2143435312 is about 1289.3479291644.

Adding to 2143435312 its reverse (2135343412), we get a palindrome (4278778724).

The spelling of 2143435312 in words is "two billion, one hundred forty-three million, four hundred thirty-five thousand, three hundred twelve".