12323456889 has 4 divisors (see below), whose sum is σ = 16431275856. Its totient is φ = 8215637924.

The previous prime is 12323456869. The next prime is 12323456897. The reversal of 12323456889 is 98865432321.

It is a happy number.

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 12323456889 - 2⁹ = 12323456377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12323456839) 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, 2053909479 + ... + 2053909484.

It is an arithmetic number, because the mean of its divisors is an integer number (4107818964).

Almost surely, 2^12323456889 is an apocalyptic number.

It is an amenable number.

12323456889 is a deficient number, since it is larger than the sum of its proper divisors (4107818967).

12323456889 is an equidigital number, since it uses as much as digits as its factorization.

12323456889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107818966.

The product of its digits is 2488320, while the sum is 51.

The spelling of 12323456889 in words is "twelve billion, three hundred twenty-three million, four hundred fifty-six thousand, eight hundred eighty-nine".