12323993 has 4 divisors (see below), whose sum is σ = 13444368. Its totient is φ = 11203620.

The previous prime is 12323981. The next prime is 12323999. The reversal of 12323993 is 39932321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12323993 - 2⁴ = 12323977 is a prime.

It is a super-3 number, since 3×12323993³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12323999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560171 + ... + 560192.

It is an arithmetic number, because the mean of its divisors is an integer number (3361092).

Almost surely, 2^12323993 is an apocalyptic number.

It is an amenable number.

12323993 is a deficient number, since it is larger than the sum of its proper divisors (1120375).

12323993 is a wasteful number, since it uses less digits than its factorization.

12323993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120374.

The product of its digits is 8748, while the sum is 32.

The square root of 12323993 is about 3510.5545146031. The cubic root of 12323993 is about 230.9850192992.

It can be divided in two parts, 1232 and 3993, that added together give a palindrome (5225).

The spelling of 12323993 in words is "twelve million, three hundred twenty-three thousand, nine hundred ninety-three".