1243143230 has 48 divisors (see below), whose sum is σ = 2609774640. Its totient is φ = 425109888.

The previous prime is 1243143197. The next prime is 1243143277. The reversal of 1243143230 is 323413421.

It is a junction number, because it is equal to n+sod(n) for n = 1243143196 and 1243143205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197309 + ... + 203511.

It is an arithmetic number, because the mean of its divisors is an integer number (54370305).

Almost surely, 2^1243143230 is an apocalyptic number.

1243143230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243143230 is an abundant number, since it is smaller than the sum of its proper divisors (1366631410).

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

1243143230 is a wasteful number, since it uses less digits than its factorization.

1243143230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6633 (or 6626 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1243143230 is about 35258.2363427327. The cubic root of 1243143230 is about 1075.2440707757.

Adding to 1243143230 its reverse (323413421), we get a palindrome (1566556651).

The spelling of 1243143230 in words is "one billion, two hundred forty-three million, one hundred forty-three thousand, two hundred thirty".