12428210823 has 32 divisors (see below), whose sum is σ = 19153305600. Its totient is φ = 7021407456.

The previous prime is 12428210807. The next prime is 12428210843. The reversal of 12428210823 is 32801282421.

It is not a de Polignac number, because 12428210823 - 2⁴ = 12428210807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12428210843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1421058 + ... + 1429776.

It is an arithmetic number, because the mean of its divisors is an integer number (598540800).

Almost surely, 2^12428210823 is an apocalyptic number.

12428210823 is a deficient number, since it is larger than the sum of its proper divisors (6725094777).

12428210823 is a wasteful number, since it uses less digits than its factorization.

12428210823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9491.

The product of its (nonzero) digits is 12288, while the sum is 33.

The spelling of 12428210823 in words is "twelve billion, four hundred twenty-eight million, two hundred ten thousand, eight hundred twenty-three".