356223 has 8 divisors (see below), whose sum is σ = 542848. Its totient is φ = 203544.

The previous prime is 356219. The next prime is 356243. The reversal of 356223 is 322653.

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

It is not a de Polignac number, because 356223 - 2² = 356219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 16963 = 356223 / (3 + 5 + 6 + 2 + 2 + 3).

It is a d-powerful number, because it can be written as 3¹¹ + 5⁴ + 2⁶ + 6³ + 2¹⁰ + 3¹¹ .

It is a Duffinian number.

356223 is a lucky number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 356223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356243) 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, 8461 + ... + 8502.

It is an arithmetic number, because the mean of its divisors is an integer number (67856).

2³⁵⁶²²³ is an apocalyptic number.

356223 is a deficient number, since it is larger than the sum of its proper divisors (186625).

356223 is a wasteful number, since it uses less digits than its factorization.

356223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16973.

The product of its digits is 1080, while the sum is 21.

The square root of 356223 is about 596.8442007760. The cubic root of 356223 is about 70.8882060005. Note that the first 3 decimals are identical.

Adding to 356223 its reverse (322653), we get a palindrome (678876).

The spelling of 356223 in words is "three hundred fifty-six thousand, two hundred twenty-three".