123301320 has 64 divisors (see below), whose sum is σ = 376902720. Its totient is φ = 32258304.

The previous prime is 123301319. The next prime is 123301337. The reversal of 123301320 is 23103321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123301320.

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, 3334 + ... + 16053.

It is an arithmetic number, because the mean of its divisors is an integer number (5889105).

Almost surely, 2^123301320 is an apocalyptic number.

123301320 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 123301320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188451360).

123301320 is an abundant number, since it is smaller than the sum of its proper divisors (253601400).

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

123301320 is a wasteful number, since it uses less digits than its factorization.

123301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19454 (or 19450 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 123301320 is about 11104.1127515889. The cubic root of 123301320 is about 497.7247555633.

Adding to 123301320 its reverse (23103321), we get a palindrome (146404641).

The spelling of 123301320 in words is "one hundred twenty-three million, three hundred one thousand, three hundred twenty".