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23130100120200 = 23352531278236959
BaseRepresentation
bin1010100001001011001010…
…11001101011101010001000
310000220012211110001122211020
411100211211121223222020
511012430421112321300
6121105453222432440
74605044305035663
oct520454531535210
9100805743048736
1023130100120200
117408469576707
122716927892720
13cba20b671888
1459d707a426da
152a1a011188a0
hex15096566ba88

23130100120200 has 384 divisors, whose sum is σ = 73731509452800. Its totient is φ = 5995841080320.

The previous prime is 23130100120133. The next prime is 23130100120207. The reversal of 23130100120200 is 202100103132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23130100120200.

It is not an unprimeable number, because it can be changed into a prime (23130100120207) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3323764321 + ... + 3323771279.

It is an arithmetic number, because the mean of its divisors is an integer number (192009139200).

Almost surely, 223130100120200 is an apocalyptic number.

23130100120200 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 23130100120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36865754726400).

23130100120200 is an abundant number, since it is smaller than the sum of its proper divisors (50601409332600).

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

23130100120200 is a wasteful number, since it uses less digits than its factorization.

23130100120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7981 (or 7972 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23130100120200 its reverse (202100103132), we get a palindrome (23332200223332).

The spelling of 23130100120200 in words is "twenty-three trillion, one hundred thirty billion, one hundred million, one hundred twenty thousand, two hundred".