1143203230 has 16 divisors (see below), whose sum is σ = 2216055744. Its totient is φ = 422105760.

The previous prime is 1143203207. The next prime is 1143203317. The reversal of 1143203230 is 323023411.

It is a junction number, because it is equal to n+sod(n) for n = 1143203198 and 1143203207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4396806 + ... + 4397065.

It is an arithmetic number, because the mean of its divisors is an integer number (138503484).

Almost surely, 2^1143203230 is an apocalyptic number.

1143203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143203230 is a deficient number, since it is larger than the sum of its proper divisors (1072852514).

1143203230 is a wasteful number, since it uses less digits than its factorization.

1143203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8793891.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1143203230 is about 33811.2884995529. The cubic root of 1143203230 is about 1045.6214430530.

Adding to 1143203230 its reverse (323023411), we get a palindrome (1466226641).

The spelling of 1143203230 in words is "one billion, one hundred forty-three million, two hundred three thousand, two hundred thirty".