1163343 has 4 divisors (see below), whose sum is σ = 1551128. Its totient is φ = 775560.

The previous prime is 1163339. The next prime is 1163353. The reversal of 1163343 is 3433611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3433611 = 3 ⋅1144537.

It is not a de Polignac number, because 1163343 - 2² = 1163339 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 (1163333) 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, 193888 + ... + 193893.

It is an arithmetic number, because the mean of its divisors is an integer number (387782).

2^1163343 is an apocalyptic number.

1163343 is a deficient number, since it is larger than the sum of its proper divisors (387785).

1163343 is an equidigital number, since it uses as much as digits as its factorization.

1163343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387784.

The product of its digits is 648, while the sum is 21.

The square root of 1163343 is about 1078.5837936850. The cubic root of 1163343 is about 105.1725959549.

Adding to 1163343 its reverse (3433611), we get a palindrome (4596954).

The spelling of 1163343 in words is "one million, one hundred sixty-three thousand, three hundred forty-three".