2143234356 has 24 divisors (see below), whose sum is σ = 5001814944. Its totient is φ = 714277920.

The previous prime is 2143234343. The next prime is 2143234367. The reversal of 2143234356 is 6534323412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66946 + ... + 93638.

It is an arithmetic number, because the mean of its divisors is an integer number (208408956).

Almost surely, 2^2143234356 is an apocalyptic number.

It is an amenable number.

2143234356 is an abundant number, since it is smaller than the sum of its proper divisors (2858580588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143234356 is a wasteful number, since it uses less digits than its factorization.

2143234356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33391 (or 33389 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 2143234356 is about 46295.0791769492. The cubic root of 2143234356 is about 1289.3076339898.

Adding to 2143234356 its reverse (6534323412), we get a palindrome (8677557768).

The spelling of 2143234356 in words is "two billion, one hundred forty-three million, two hundred thirty-four thousand, three hundred fifty-six".