23201203100 has 72 divisors (see below), whose sum is σ = 51193160928. Its totient is φ = 9125222400.

The previous prime is 23201203099. The next prime is 23201203127. The reversal of 23201203100 is 130210232.

It is a happy number.

It is a super-2 number, since 2×23201203100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2455385 + ... + 2464815.

It is an arithmetic number, because the mean of its divisors is an integer number (711016124).

Almost surely, 2^23201203100 is an apocalyptic number.

23201203100 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 23201203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25596580464).

23201203100 is an abundant number, since it is smaller than the sum of its proper divisors (27991957828).

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

23201203100 is a wasteful number, since it uses less digits than its factorization.

23201203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9855 (or 9848 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23201203100 its reverse (130210232), we get a palindrome (23331413332).

The spelling of 23201203100 in words is "twenty-three billion, two hundred one million, two hundred three thousand, one hundred".