1143113323 has 4 divisors (see below), whose sum is σ = 1247032728. Its totient is φ = 1039193920.

The previous prime is 1143113297. The next prime is 1143113327. The reversal of 1143113323 is 3233113411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1143113323 - 2¹⁷ = 1142982251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143113294 and 1143113303.

It is not an unprimeable number, because it can be changed into a prime (1143113327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51959686 + ... + 51959707.

It is an arithmetic number, because the mean of its divisors is an integer number (311758182).

Almost surely, 2^1143113323 is an apocalyptic number.

1143113323 is a deficient number, since it is larger than the sum of its proper divisors (103919405).

1143113323 is a wasteful number, since it uses less digits than its factorization.

1143113323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103919404.

The product of its digits is 648, while the sum is 22.

The square root of 1143113323 is about 33809.9589322436. The cubic root of 1143113323 is about 1045.5940314347.

Adding to 1143113323 its reverse (3233113411), we get a palindrome (4376226734).

The spelling of 1143113323 in words is "one billion, one hundred forty-three million, one hundred thirteen thousand, three hundred twenty-three".