12028423 has 4 divisors (see below), whose sum is σ = 13121928. Its totient is φ = 10934920.

The previous prime is 12028421. The next prime is 12028447. The reversal of 12028423 is 32482021.

12028423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12028423 - 2¹ = 12028421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12028394 and 12028403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12028421) 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, 546736 + ... + 546757.

It is an arithmetic number, because the mean of its divisors is an integer number (3280482).

Almost surely, 2^12028423 is an apocalyptic number.

12028423 is a deficient number, since it is larger than the sum of its proper divisors (1093505).

12028423 is a wasteful number, since it uses less digits than its factorization.

12028423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093504.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 12028423 is about 3468.2016954035. The cubic root of 12028423 is about 229.1234627241.

The spelling of 12028423 in words is "twelve million, twenty-eight thousand, four hundred twenty-three".