12823343 has 4 divisors (see below), whose sum is σ = 13809768. Its totient is φ = 11836920.

The previous prime is 12823333. The next prime is 12823357. The reversal of 12823343 is 34332821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12823343 - 2¹⁶ = 12757807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12823333) 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, 493193 + ... + 493218.

It is an arithmetic number, because the mean of its divisors is an integer number (3452442).

Almost surely, 2^12823343 is an apocalyptic number.

12823343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12823343 is a deficient number, since it is larger than the sum of its proper divisors (986425).

12823343 is an equidigital number, since it uses as much as digits as its factorization.

12823343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986424.

The product of its digits is 3456, while the sum is 26.

The square root of 12823343 is about 3580.9695614456. The cubic root of 12823343 is about 234.0635313409.

The spelling of 12823343 in words is "twelve million, eight hundred twenty-three thousand, three hundred forty-three".