123102432200 has 192 divisors, whose sum is σ = 328395409920. Its totient is φ = 42501888000.

The previous prime is 123102432127. The next prime is 123102432217. The reversal of 123102432200 is 2234201321.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3597572 + ... + 3631628.

It is an arithmetic number, because the mean of its divisors is an integer number (1710392760).

Almost surely, 2^123102432200 is an apocalyptic number.

123102432200 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 123102432200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164197704960).

123102432200 is an abundant number, since it is smaller than the sum of its proper divisors (205292977720).

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

123102432200 is a wasteful number, since it uses less digits than its factorization.

123102432200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34168 (or 34159 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 123102432200 its reverse (2234201321), we get a palindrome (125336633521).

The spelling of 123102432200 in words is "one hundred twenty-three billion, one hundred two million, four hundred thirty-two thousand, two hundred".