102123203200 has 48 divisors (see below), whose sum is σ = 252276233310. Its totient is φ = 40849280000.

The previous prime is 102123203177. The next prime is 102123203207. The reversal of 102123203200 is 2302321201.

It can be written as a sum of positive squares in 3 ways, for example, as 68967163456 + 33156039744 = 262616^2 + 182088^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (102123203207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15953551 + ... + 15959950.

Almost surely, 2^102123203200 is an apocalyptic number.

102123203200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102123203200 is an abundant number, since it is smaller than the sum of its proper divisors (150153030110).

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

102123203200 is an equidigital number, since it uses as much as digits as its factorization.

102123203200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31913525 (or 31913508 counting only the distinct ones).

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

Adding to 102123203200 its reverse (2302321201), we get a palindrome (104425524401).

The spelling of 102123203200 in words is "one hundred two billion, one hundred twenty-three million, two hundred three thousand, two hundred".