12423000204 has 36 divisors (see below), whose sum is σ = 33055353240. Its totient is φ = 3923052480.

The previous prime is 12423000197. The next prime is 12423000209. The reversal of 12423000204 is 40200032421.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12423000209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9080457 + ... + 9081824.

Almost surely, 2^12423000204 is an apocalyptic number.

It is an amenable number.

12423000204 is an abundant number, since it is smaller than the sum of its proper divisors (20632353036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12423000204 is a wasteful number, since it uses less digits than its factorization.

12423000204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18162310 (or 18162305 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12423000204 its reverse (40200032421), we get a palindrome (52623032625).

The spelling of 12423000204 in words is "twelve billion, four hundred twenty-three million, two hundred four", and thus it is an aban number.