1143223103 has 24 divisors (see below), whose sum is σ = 1323173376. Its totient is φ = 979419600.

The previous prime is 1143223099. The next prime is 1143223127. The reversal of 1143223103 is 3013223411.

It is not a de Polignac number, because 1143223103 - 2² = 1143223099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143228103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 884888 + ... + 886178.

It is an arithmetic number, because the mean of its divisors is an integer number (55132224).

Almost surely, 2^1143223103 is an apocalyptic number.

1143223103 is a deficient number, since it is larger than the sum of its proper divisors (179950273).

1143223103 is a wasteful number, since it uses less digits than its factorization.

1143223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1143223103 is about 33811.5823794155. The cubic root of 1143223103 is about 1045.6275019099.

Adding to 1143223103 its reverse (3013223411), we get a palindrome (4156446514).

The spelling of 1143223103 in words is "one billion, one hundred forty-three million, two hundred twenty-three thousand, one hundred three".