12393823 has 8 divisors (see below), whose sum is σ = 13406400. Its totient is φ = 11389728.

The previous prime is 12393791. The next prime is 12393851. The reversal of 12393823 is 32839321.

12393823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12393823 - 2⁵ = 12393791 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 (12393863) 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, 1113 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (1675800).

Almost surely, 2^12393823 is an apocalyptic number.

12393823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12393823 is a deficient number, since it is larger than the sum of its proper divisors (1012577).

12393823 is a wasteful number, since it uses less digits than its factorization.

12393823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241.

The product of its digits is 7776, while the sum is 31.

The square root of 12393823 is about 3520.4861880144. The cubic root of 12393823 is about 231.4204656911.

The spelling of 12393823 in words is "twelve million, three hundred ninety-three thousand, eight hundred twenty-three".