12428871823 has 8 divisors (see below), whose sum is σ = 12975415200. Its totient is φ = 11890192608.

The previous prime is 12428871811. The next prime is 12428871827. The reversal of 12428871823 is 32817882421.

It is a happy number.

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 12428871823 - 2¹³ = 12428863631 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 (12428871827) 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, 1962811 + ... + 1969132.

It is an arithmetic number, because the mean of its divisors is an integer number (1621926900).

Almost surely, 2^12428871823 is an apocalyptic number.

12428871823 is a deficient number, since it is larger than the sum of its proper divisors (546543377).

12428871823 is a wasteful number, since it uses less digits than its factorization.

12428871823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932081.

The product of its digits is 344064, while the sum is 46.

The spelling of 12428871823 in words is "twelve billion, four hundred twenty-eight million, eight hundred seventy-one thousand, eight hundred twenty-three".