1143423303 has 16 divisors (see below), whose sum is σ = 1663756416. Its totient is φ = 692735840.

The previous prime is 1143423301. The next prime is 1143423319. The reversal of 1143423303 is 3033243411.

It is a cyclic number.

It is not a de Polignac number, because 1143423303 - 2¹ = 1143423301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143423301) 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, 136276 + ... + 144422.

It is an arithmetic number, because the mean of its divisors is an integer number (103984776).

Almost surely, 2^1143423303 is an apocalyptic number.

1143423303 is a deficient number, since it is larger than the sum of its proper divisors (520333113).

1143423303 is a wasteful number, since it uses less digits than its factorization.

1143423303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12414.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1143423303 is about 33814.5427737830. The cubic root of 1143423303 is about 1045.6885347352.

Adding to 1143423303 its reverse (3033243411), we get a palindrome (4176666714).

The spelling of 1143423303 in words is "one billion, one hundred forty-three million, four hundred twenty-three thousand, three hundred three".