1213323 has 8 divisors (see below), whose sum is σ = 1626768. Its totient is φ = 804384.

The previous prime is 1213301. The next prime is 1213327. The reversal of 1213323 is 3233121.

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

It is not a de Polignac number, because 1213323 - 2⁶ = 1213259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213327) 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, 436 + ... + 1617.

It is an arithmetic number, because the mean of its divisors is an integer number (203346).

2^1213323 is an apocalyptic number.

1213323 is a deficient number, since it is larger than the sum of its proper divisors (413445).

1213323 is a wasteful number, since it uses less digits than its factorization.

1213323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2253.

The product of its digits is 108, while the sum is 15.

The square root of 1213323 is about 1101.5094189339. The cubic root of 1213323 is about 106.6576826201.

Adding to 1213323 its reverse (3233121), we get a palindrome (4446444).

The spelling of 1213323 in words is "one million, two hundred thirteen thousand, three hundred twenty-three".