2143423230 has 64 divisors (see below), whose sum is σ = 5560204608. Its totient is φ = 525680640.

The previous prime is 2143423171. The next prime is 2143423309. The reversal of 2143423230 is 323243412.

It is a self number, because there is not a number n which added to its sum of digits gives 2143423230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98110 + ... + 117950.

It is an arithmetic number, because the mean of its divisors is an integer number (86878197).

Almost surely, 2^2143423230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143423230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2780102304).

2143423230 is an abundant number, since it is smaller than the sum of its proper divisors (3416781378).

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

2143423230 is a wasteful number, since it uses less digits than its factorization.

2143423230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20141.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2143423230 is about 46297.1190248378. The cubic root of 2143423230 is about 1289.3455065843.

Adding to 2143423230 its reverse (323243412), we get a palindrome (2466666642).

The spelling of 2143423230 in words is "two billion, one hundred forty-three million, four hundred twenty-three thousand, two hundred thirty".