1123383 has 4 divisors (see below), whose sum is σ = 1497848. Its totient is φ = 748920.

The previous prime is 1123379. The next prime is 1123391. The reversal of 1123383 is 3833211.

It is a happy number.

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

It is not a de Polignac number, because 1123383 - 2² = 1123379 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123303) 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, 187228 + ... + 187233.

It is an arithmetic number, because the mean of its divisors is an integer number (374462).

2^1123383 is an apocalyptic number.

1123383 is a deficient number, since it is larger than the sum of its proper divisors (374465).

1123383 is an equidigital number, since it uses as much as digits as its factorization.

1123383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374464.

The product of its digits is 432, while the sum is 21.

The square root of 1123383 is about 1059.8976365669. The cubic root of 1123383 is about 103.9543376960.

Adding to 1123383 its reverse (3833211), we get a palindrome (4956594).

The spelling of 1123383 in words is "one million, one hundred twenty-three thousand, three hundred eighty-three".