12243123004 has 24 divisors (see below), whose sum is σ = 24555631968. Its totient is φ = 5232184320.

The previous prime is 12243123001. The next prime is 12243123047. The reversal of 12243123004 is 40032134221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243123001) 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, 609457 + ... + 629224.

It is an arithmetic number, because the mean of its divisors is an integer number (1023151332).

Almost surely, 2^12243123004 is an apocalyptic number.

12243123004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12243123004 is an abundant number, since it is smaller than the sum of its proper divisors (12312508964).

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

12243123004 is a wasteful number, since it uses less digits than its factorization.

12243123004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239045 (or 1239043 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12243123004 its reverse (40032134221), we get a palindrome (52275257225).

The spelling of 12243123004 in words is "twelve billion, two hundred forty-three million, one hundred twenty-three thousand, four".