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23120230012300 = 22528312157229133
BaseRepresentation
bin1010100000111000110010…
…00110001101010110001100
310000212021100120201020011101
411100130121012031112030
511012300212340343200
6121101142000032444
74604244565355131
oct520343106152614
9100767316636141
1023120230012300
11740426410a543
122714a32302724
13cb92c7862a45
1459d04cc52588
152a162486726a
hex15071918d58c

23120230012300 has 72 divisors (see below), whose sum is σ = 50779766043216. Its totient is φ = 9135877781760.

The previous prime is 23120230012291. The next prime is 23120230012337. The reversal of 23120230012300 is 321003202132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100788534 + ... + 101017666.

It is an arithmetic number, because the mean of its divisors is an integer number (705274528378).

Almost surely, 223120230012300 is an apocalyptic number.

23120230012300 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 23120230012300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25389883021608).

23120230012300 is an abundant number, since it is smaller than the sum of its proper divisors (27659536030916).

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

23120230012300 is a wasteful number, since it uses less digits than its factorization.

23120230012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241387 (or 241380 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23120230012300 its reverse (321003202132), we get a palindrome (23441233214432).

The spelling of 23120230012300 in words is "twenty-three trillion, one hundred twenty billion, two hundred thirty million, twelve thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 83 100 166 332 415 830 1660 2075 4150 8300 12157 24314 48628 60785 121570 229133 243140 303925 458266 607850 916532 1009031 1145665 1215700 2018062 2291330 4036124 4582660 5045155 5728325 10090310 11456650 19018039 20180620 22913300 25225775 38036078 50451550 76072156 95090195 100903100 190180390 380360780 475450975 950901950 1901803900 2785569881 5571139762 11142279524 13927849405 27855698810 55711397620 69639247025 139278494050 231202300123 278556988100 462404600246 924809200492 1156011500615 2312023001230 4624046002460 5780057503075 11560115006150 23120230012300