202123043300 has 18 divisors (see below), whose sum is σ = 438607004178. Its totient is φ = 80849217280.

The previous prime is 202123043281. The next prime is 202123043417. The reversal of 202123043300 is 3340321202.

202123043300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 20647936 + 202102395364 = 4544^2 + 449558^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1010615117 + ... + 1010615316.

Almost surely, 2^202123043300 is an apocalyptic number.

202123043300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202123043300 is an abundant number, since it is smaller than the sum of its proper divisors (236483960878).

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

202123043300 is a wasteful number, since it uses less digits than its factorization.

202123043300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021230447 (or 2021230440 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 202123043300 its reverse (3340321202), we get a palindrome (205463364502).

The spelling of 202123043300 in words is "two hundred two billion, one hundred twenty-three million, forty-three thousand, three hundred".