123300222100 has 54 divisors (see below), whose sum is σ = 294096533822. Its totient is φ = 44836440000.

The previous prime is 123300222053. The next prime is 123300222103. The reversal of 123300222100 is 1222003321.

It can be written as a sum of positive squares in 3 ways, for example, as 184851216 + 123115370884 = 13596^2 + 350878^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123300222103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5082951 + ... + 5107150.

Almost surely, 2^123300222100 is an apocalyptic number.

123300222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123300222100 is an abundant number, since it is smaller than the sum of its proper divisors (170796311722).

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

123300222100 is a wasteful number, since it uses less digits than its factorization.

123300222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10190137 (or 10190119 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 123300222100 its reverse (1222003321), we get a palindrome (124522225421).

The spelling of 123300222100 in words is "one hundred twenty-three billion, three hundred million, two hundred twenty-two thousand, one hundred".