1783223 has 8 divisors (see below), whose sum is σ = 1932000. Its totient is φ = 1636128.

The previous prime is 1783219. The next prime is 1783237. The reversal of 1783223 is 3223871.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1783223 - 2² = 1783219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1783192 and 1783201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1783273) 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, 2678 + ... + 3276.

It is an arithmetic number, because the mean of its divisors is an integer number (241500).

2^1783223 is an apocalyptic number.

1783223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1783223 is a deficient number, since it is larger than the sum of its proper divisors (148777).

1783223 is a wasteful number, since it uses less digits than its factorization.

1783223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841.

The product of its digits is 2016, while the sum is 26.

The square root of 1783223 is about 1335.3737304590. The cubic root of 1783223 is about 121.2649296102.

The spelling of 1783223 in words is "one million, seven hundred eighty-three thousand, two hundred twenty-three".