1223343 has 20 divisors (see below), whose sum is σ = 1995048. Its totient is φ = 740880.

The previous prime is 1223329. The next prime is 1223351. The reversal of 1223343 is 3433221.

It is not a de Polignac number, because 1223343 - 2⁵ = 1223311 is a prime.

1223343 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223323) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 205 + ... + 1577.

2^1223343 is an apocalyptic number.

1223343 is a deficient number, since it is larger than the sum of its proper divisors (771705).

1223343 is a wasteful number, since it uses less digits than its factorization.

1223343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1387 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 1223343 is about 1106.0483714558. The cubic root of 1223343 is about 106.9504822263.

Adding to 1223343 its reverse (3433221), we get a palindrome (4656564).

The spelling of 1223343 in words is "one million, two hundred twenty-three thousand, three hundred forty-three".