12143230 has 32 divisors (see below), whose sum is σ = 24103008. Its totient is φ = 4368000.

The previous prime is 12143221. The next prime is 12143233. The reversal of 12143230 is 3234121.

12143230 = T₄₃₉ + T₄₄₀ + ... + T₅₃₉.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143233) 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, 10564 + ... + 11656.

It is an arithmetic number, because the mean of its divisors is an integer number (753219).

Almost surely, 2^12143230 is an apocalyptic number.

12143230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12143230 is a deficient number, since it is larger than the sum of its proper divisors (11959778).

12143230 is a wasteful number, since it uses less digits than its factorization.

12143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

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

The square root of 12143230 is about 3484.7137615592. The cubic root of 12143230 is about 229.8501228973.

Adding to 12143230 its reverse (3234121), we get a palindrome (15377351).

It can be divided in two parts, 1214 and 3230, that added together give a palindrome (4444).

The spelling of 12143230 in words is "twelve million, one hundred forty-three thousand, two hundred thirty".