123313344 has 224 divisors, whose sum is σ = 429158400. Its totient is φ = 30274560.

The previous prime is 123313331. The next prime is 123313357. The reversal of 123313344 is 443313321.

It is an interprime number because it is at equal distance from previous prime (123313331) and next prime (123313357).

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280677 + ... + 281115.

Almost surely, 2^123313344 is an apocalyptic number.

123313344 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 123313344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214579200).

123313344 is an abundant number, since it is smaller than the sum of its proper divisors (305845056).

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

123313344 is a wasteful number, since it uses less digits than its factorization.

123313344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 481 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 123313344 is about 11104.6541594054. The cubic root of 123313344 is about 497.7409339463.

Adding to 123313344 its reverse (443313321), we get a palindrome (566626665).

The spelling of 123313344 in words is "one hundred twenty-three million, three hundred thirteen thousand, three hundred forty-four".