2143234530 has 48 divisors (see below), whose sum is σ = 5814694080. Its totient is φ = 546679584.

The previous prime is 2143234519. The next prime is 2143234537. The reversal of 2143234530 is 354323412.

It is a junction number, because it is equal to n+sod(n) for n = 2143234494 and 2143234503.

It is not an unprimeable number, because it can be changed into a prime (2143234537) 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, 515620 + ... + 519759.

It is an arithmetic number, because the mean of its divisors is an integer number (121139460).

Almost surely, 2^2143234530 is an apocalyptic number.

2143234530 is an abundant number, since it is smaller than the sum of its proper divisors (3671459550).

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

2143234530 is a wasteful number, since it uses less digits than its factorization.

2143234530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035415 (or 1035412 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2143234530 is about 46295.0810561986. The cubic root of 2143234530 is about 1289.3076688809.

Adding to 2143234530 its reverse (354323412), we get a palindrome (2497557942).

The spelling of 2143234530 in words is "two billion, one hundred forty-three million, two hundred thirty-four thousand, five hundred thirty".