1143383 has 8 divisors (see below), whose sum is σ = 1198800. Its totient is φ = 1089088.

The previous prime is 1143371. The next prime is 1143391. The reversal of 1143383 is 3833411.

It is a happy number.

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 1143383 - 2¹⁰ = 1142359 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 (1143283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2360 + ... + 2802.

It is an arithmetic number, because the mean of its divisors is an integer number (149850).

2^1143383 is an apocalyptic number.

1143383 is a deficient number, since it is larger than the sum of its proper divisors (55417).

1143383 is an equidigital number, since it uses as much as digits as its factorization.

1143383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its digits is 864, while the sum is 23.

The square root of 1143383 is about 1069.2908865225. The cubic root of 1143383 is about 104.5676248565.

Adding to 1143383 its reverse (3833411), we get a palindrome (4976794).

The spelling of 1143383 in words is "one million, one hundred forty-three thousand, three hundred eighty-three".