1143001343 has 8 divisors (see below), whose sum is σ = 1259766480. Its totient is φ = 1028378880.

The previous prime is 1143001283. The next prime is 1143001393. The reversal of 1143001343 is 3431003411.

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 1143001343 - 2⁸ = 1143001087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143001393) 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, 534548 + ... + 536681.

It is an arithmetic number, because the mean of its divisors is an integer number (157470810).

Almost surely, 2^1143001343 is an apocalyptic number.

1143001343 is a deficient number, since it is larger than the sum of its proper divisors (116765137).

1143001343 is a wasteful number, since it uses less digits than its factorization.

1143001343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071337.

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

The square root of 1143001343 is about 33808.3028707446. The cubic root of 1143001343 is about 1045.5598880006.

Adding to 1143001343 its reverse (3431003411), we get a palindrome (4574004754).

The spelling of 1143001343 in words is "one billion, one hundred forty-three million, one thousand, three hundred forty-three".