2143230 has 32 divisors (see below), whose sum is σ = 5184000. Its totient is φ = 567072.

The previous prime is 2143223. The next prime is 2143231. The reversal of 2143230 is 323412.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5791 + ... + 6149.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

2^2143230 is an apocalyptic number.

2143230 is an abundant number, since it is smaller than the sum of its proper divisors (3040770).

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

2143230 is a wasteful number, since it uses less digits than its factorization.

2143230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2143230 is about 1463.9774588429. The cubic root of 2143230 is about 128.9306760508.

Adding to 2143230 its reverse (323412), we get a palindrome (2466642).

The spelling of 2143230 in words is "two million, one hundred forty-three thousand, two hundred thirty".