123334401320 has 128 divisors (see below), whose sum is σ = 319274524800. Its totient is φ = 42497934336.

The previous prime is 123334401317. The next prime is 123334401329. The reversal of 123334401320 is 23104433321.

123334401320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123334401320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 123334401320.

It is not an unprimeable number, because it can be changed into a prime (123334401329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 568802 + ... + 755118.

It is an arithmetic number, because the mean of its divisors is an integer number (2494332225).

Almost surely, 2^123334401320 is an apocalyptic number.

123334401320 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 123334401320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159637262400).

123334401320 is an abundant number, since it is smaller than the sum of its proper divisors (195940123480).

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

123334401320 is a wasteful number, since it uses less digits than its factorization.

123334401320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186427 (or 186423 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 123334401320 its reverse (23104433321), we get a palindrome (146438834641).

The spelling of 123334401320 in words is "one hundred twenty-three billion, three hundred thirty-four million, four hundred one thousand, three hundred twenty".