2143230100 has 108 divisors (see below), whose sum is σ = 5151170304. Its totient is φ = 767600000.

The previous prime is 2143230073. The next prime is 2143230101. The reversal of 2143230100 is 10323412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143230101) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 11221005 + ... + 11221195.

Almost surely, 2^2143230100 is an apocalyptic number.

2143230100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2575585152).

2143230100 is an abundant number, since it is smaller than the sum of its proper divisors (3007940204).

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

2143230100 is a wasteful number, since it uses less digits than its factorization.

2143230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2143230100 is about 46295.0332109180. The cubic root of 2143230100 is about 1289.3067805605.

Adding to 2143230100 its reverse (10323412), we get a palindrome (2153553512).

The spelling of 2143230100 in words is "two billion, one hundred forty-three million, two hundred thirty thousand, one hundred".