123320411300 has 36 divisors (see below), whose sum is σ = 267982887060. Its totient is φ = 49258561920.

The previous prime is 123320411287. The next prime is 123320411329. The reversal of 123320411300 is 3114023321.

It can be written as a sum of positive squares in 6 ways, for example, as 5687874724 + 117632536576 = 75418^2 + 342976^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 798779 + ... + 940578.

It is an arithmetic number, because the mean of its divisors is an integer number (7443969085).

Almost surely, 2^123320411300 is an apocalyptic number.

123320411300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123320411300 is an abundant number, since it is smaller than the sum of its proper divisors (144662475760).

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

123320411300 is a wasteful number, since it uses less digits than its factorization.

123320411300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740080 (or 1740073 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123320411300 its reverse (3114023321), we get a palindrome (126434434621).

The spelling of 123320411300 in words is "one hundred twenty-three billion, three hundred twenty million, four hundred eleven thousand, three hundred".