1143030223 has 8 divisors (see below), whose sum is σ = 1158447680. Its totient is φ = 1127636640.

The previous prime is 1143030169. The next prime is 1143030247. The reversal of 1143030223 is 3220303411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1143030223 - 2⁹ = 1143029711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143030223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143030263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103861 + ... + 114337.

It is an arithmetic number, because the mean of its divisors is an integer number (144805960).

Almost surely, 2^1143030223 is an apocalyptic number.

1143030223 is a deficient number, since it is larger than the sum of its proper divisors (15417457).

1143030223 is a wasteful number, since it uses less digits than its factorization.

1143030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11937.

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

The square root of 1143030223 is about 33808.7299820623. The cubic root of 1143030223 is about 1045.5686939148.

Adding to 1143030223 its reverse (3220303411), we get a palindrome (4363333634).

The spelling of 1143030223 in words is "one billion, one hundred forty-three million, thirty thousand, two hundred twenty-three".