123300546500 has 24 divisors (see below), whose sum is σ = 269288394648. Its totient is φ = 49320218400.

The previous prime is 123300546497. The next prime is 123300546539. The reversal of 123300546500 is 5645003321.

It can be written as a sum of positive squares in 4 ways, for example, as 2874889924 + 120425656576 = 53618^2 + 347024^2 .

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 7 ways as a sum of consecutive naturals, for example, 123300047 + ... + 123301046.

It is an arithmetic number, because the mean of its divisors is an integer number (11220349777).

Almost surely, 2^123300546500 is an apocalyptic number.

123300546500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123300546500 is an abundant number, since it is smaller than the sum of its proper divisors (145987848148).

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

123300546500 is a wasteful number, since it uses less digits than its factorization.

123300546500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246601112 (or 246601100 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 123300546500 its reverse (5645003321), we get a palindrome (128945549821).

The spelling of 123300546500 in words is "one hundred twenty-three billion, three hundred million, five hundred forty-six thousand, five hundred".