123355344 has 120 divisors (see below), whose sum is σ = 374038560. Its totient is φ = 34927872.

The previous prime is 123355343. The next prime is 123355361. The reversal of 123355344 is 443553321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123355343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420862 + ... + 421154.

It is an arithmetic number, because the mean of its divisors is an integer number (3116988).

Almost surely, 2^123355344 is an apocalyptic number.

123355344 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 123355344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187019280).

123355344 is an abundant number, since it is smaller than the sum of its proper divisors (250683216).

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

123355344 is a wasteful number, since it uses less digits than its factorization.

123355344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 484 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 123355344 is about 11106.5450973739. The cubic root of 123355344 is about 497.7974370129.

The spelling of 123355344 in words is "one hundred twenty-three million, three hundred fifty-five thousand, three hundred forty-four".