200023001100 has 288 divisors, whose sum is σ = 708611312640. Its totient is φ = 48091034880.

The previous prime is 200023001099. The next prime is 200023001161. The reversal of 200023001100 is 1100320002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1443037 + ... + 1575563.

Almost surely, 2^200023001100 is an apocalyptic number.

200023001100 is a gapful number since it is divisible by the number (20) 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 200023001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354305656320).

200023001100 is an abundant number, since it is smaller than the sum of its proper divisors (508588311540).

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

200023001100 is a wasteful number, since it uses less digits than its factorization.

200023001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132606 (or 132593 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 200023001100 its reverse (1100320002), we get a palindrome (201123321102).

The spelling of 200023001100 in words is "two hundred billion, twenty-three million, one thousand, one hundred".