12423000444 has 24 divisors (see below), whose sum is σ = 30692119248. Its totient is φ = 3897411840.

The previous prime is 12423000437. The next prime is 12423000449. The reversal of 12423000444 is 44400032421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423000449) 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, 30448327 + ... + 30448734.

It is an arithmetic number, because the mean of its divisors is an integer number (1278838302).

Almost surely, 2^12423000444 is an apocalyptic number.

It is an amenable number.

12423000444 is an abundant number, since it is smaller than the sum of its proper divisors (18269118804).

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

12423000444 is a wasteful number, since it uses less digits than its factorization.

12423000444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60897085 (or 60897083 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12423000444 its reverse (44400032421), we get a palindrome (56823032865).

The spelling of 12423000444 in words is "twelve billion, four hundred twenty-three million, four hundred forty-four", and thus it is an aban number.