210143230 has 32 divisors (see below), whose sum is σ = 434367360. Its totient is φ = 72393120.

The previous prime is 210143221. The next prime is 210143233. The reversal of 210143230 is 32341012.

It is a happy number.

It is a super-2 number, since 2×210143230² = 88320354229665800, which contains 22 as substring.

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 (210143233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48184 + ... + 52363.

It is an arithmetic number, because the mean of its divisors is an integer number (13573980).

Almost surely, 2^210143230 is an apocalyptic number.

210143230 is an abundant number, since it is smaller than the sum of its proper divisors (224224130).

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

210143230 is a wasteful number, since it uses less digits than its factorization.

210143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100584.

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

The square root of 210143230 is about 14496.3178083264. The cubic root of 210143230 is about 594.5272991591.

Adding to 210143230 its reverse (32341012), we get a palindrome (242484242).

The spelling of 210143230 in words is "two hundred ten million, one hundred forty-three thousand, two hundred thirty".