123244320 has 96 divisors (see below), whose sum is σ = 392370048. Its totient is φ = 32514048.

The previous prime is 123244309. The next prime is 123244343. The reversal of 123244320 is 23442321.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45237 + ... + 47883.

It is an arithmetic number, because the mean of its divisors is an integer number (4087188).

Almost surely, 2^123244320 is an apocalyptic number.

123244320 is a gapful number since it is divisible by the number (10) 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 123244320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196185024).

123244320 is an abundant number, since it is smaller than the sum of its proper divisors (269125728).

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

123244320 is a wasteful number, since it uses less digits than its factorization.

123244320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762 (or 2754 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 123244320 is about 11101.5458383056. The cubic root of 123244320 is about 497.6480473175.

Adding to 123244320 its reverse (23442321), we get a palindrome (146686641).

The spelling of 123244320 in words is "one hundred twenty-three million, two hundred forty-four thousand, three hundred twenty".