1143323 has 4 divisors (see below), whose sum is σ = 1162128. Its totient is φ = 1124520.

The previous prime is 1143299. The next prime is 1143341. The reversal of 1143323 is 3233411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3233411 = 71 ⋅45541.

It is a cyclic number.

It is not a de Polignac number, because 1143323 - 2⁸ = 1143067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143223) 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, 9311 + ... + 9432.

It is an arithmetic number, because the mean of its divisors is an integer number (290532).

2^1143323 is an apocalyptic number.

1143323 is a deficient number, since it is larger than the sum of its proper divisors (18805).

1143323 is an equidigital number, since it uses as much as digits as its factorization.

1143323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18804.

The product of its digits is 216, while the sum is 17.

The square root of 1143323 is about 1069.2628301779. The cubic root of 1143323 is about 104.5657957327.

Adding to 1143323 its reverse (3233411), we get a palindrome (4376734).

It can be divided in two parts, 11 and 43323, that added together give a palindrome (43334).

The spelling of 1143323 in words is "one million, one hundred forty-three thousand, three hundred twenty-three".