12328481894 has 4 divisors (see below), whose sum is σ = 18492722844. Its totient is φ = 6164240946.

The previous prime is 12328481833. The next prime is 12328481909. The reversal of 12328481894 is 49818482321.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3082120472 + ... + 3082120475.

It is an arithmetic number, because the mean of its divisors is an integer number (4623180711).

Almost surely, 2^12328481894 is an apocalyptic number.

12328481894 is a deficient number, since it is larger than the sum of its proper divisors (6164240950).

12328481894 is an equidigital number, since it uses as much as digits as its factorization.

12328481894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164240949.

The product of its digits is 884736, while the sum is 50.

The spelling of 12328481894 in words is "twelve billion, three hundred twenty-eight million, four hundred eighty-one thousand, eight hundred ninety-four".