123443022144 has 224 divisors, whose sum is σ = 366509808000. Its totient is φ = 36405927936.

The previous prime is 123443022139. The next prime is 123443022169. The reversal of 123443022144 is 441220344321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10055242 + ... + 10067510.

It is an arithmetic number, because the mean of its divisors is an integer number (1636204500).

Almost surely, 2^123443022144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123443022144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183254904000).

123443022144 is an abundant number, since it is smaller than the sum of its proper divisors (243066785856).

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

123443022144 is a wasteful number, since it uses less digits than its factorization.

123443022144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12465 (or 12455 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 123443022144 its reverse (441220344321), we get a palindrome (564663366465).

The spelling of 123443022144 in words is "one hundred twenty-three billion, four hundred forty-three million, twenty-two thousand, one hundred forty-four".