23131321120200 has 192 divisors, whose sum is σ = 72039754160640. Its totient is φ = 6139745095680.

The previous prime is 23131321120163. The next prime is 23131321120217. The reversal of 23131321120200 is 202112313132.

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, 1494939664 + ... + 1494955136.

It is an arithmetic number, because the mean of its divisors is an integer number (375207052920).

Almost surely, 2^{23131321120200} is an apocalyptic number.

23131321120200 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 23131321120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36019877080320).

23131321120200 is an abundant number, since it is smaller than the sum of its proper divisors (48908433040440).

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

23131321120200 is a wasteful number, since it uses less digits than its factorization.

23131321120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26888 (or 26879 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23131321120200 its reverse (202112313132), we get a palindrome (23333433433332).

The spelling of 23131321120200 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred twenty-one million, one hundred twenty thousand, two hundred".