12349823 has 4 divisors (see below), whose sum is σ = 12683640. Its totient is φ = 12016008.

The previous prime is 12349801. The next prime is 12349859. The reversal of 12349823 is 32894321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32894321 = 1669 ⋅19709.

It is a cyclic number.

It is not a de Polignac number, because 12349823 - 2⁶ = 12349759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12349823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12349223) 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, 166853 + ... + 166926.

It is an arithmetic number, because the mean of its divisors is an integer number (3170910).

Almost surely, 2^12349823 is an apocalyptic number.

12349823 is a deficient number, since it is larger than the sum of its proper divisors (333817).

12349823 is an equidigital number, since it uses as much as digits as its factorization.

12349823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333816.

The product of its digits is 10368, while the sum is 32.

The square root of 12349823 is about 3514.2314949360. The cubic root of 12349823 is about 231.1462814158.

The spelling of 12349823 in words is "twelve million, three hundred forty-nine thousand, eight hundred twenty-three".