123344124344 has 64 divisors (see below), whose sum is σ = 271338144000. Its totient is φ = 51463931904.

The previous prime is 123344124317. The next prime is 123344124349. The reversal of 123344124344 is 443421443321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123344124349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655832 + ... + 822680.

It is an arithmetic number, because the mean of its divisors is an integer number (4239658500).

Almost surely, 2^123344124344 is an apocalyptic number.

123344124344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123344124344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135669072000).

123344124344 is an abundant number, since it is smaller than the sum of its proper divisors (147994019656).

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

123344124344 is a wasteful number, since it uses less digits than its factorization.

123344124344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167212 (or 167208 counting only the distinct ones).

The product of its digits is 110592, while the sum is 35.

Adding to 123344124344 its reverse (443421443321), we get a palindrome (566765567665).

The spelling of 123344124344 in words is "one hundred twenty-three billion, three hundred forty-four million, one hundred twenty-four thousand, three hundred forty-four".