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23230002312 = 2334113258979
BaseRepresentation
bin10101101000100111…
…011011010010001000
32012221221100101110000
4111220213123102020
5340033340033222
614401031323000
71451442522156
oct255047332210
965857311400
1023230002312
119940804620
124603820460
13226291c4ca
1411a52803d6
1590e5e39ac
hex5689db488

23230002312 has 80 divisors (see below), whose sum is σ = 70980584400. Its totient is φ = 7039392480.

The previous prime is 23230002311. The next prime is 23230002317. The reversal of 23230002312 is 21320003232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23230002311) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1622362 + ... + 1636617.

It is an arithmetic number, because the mean of its divisors is an integer number (887257305).

Almost surely, 223230002312 is an apocalyptic number.

23230002312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23230002312 is an abundant number, since it is smaller than the sum of its proper divisors (47750582088).

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

23230002312 is a wasteful number, since it uses less digits than its factorization.

23230002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259008 (or 3258995 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23230002312 its reverse (21320003232), we get a palindrome (44550005544).

The spelling of 23230002312 in words is "twenty-three billion, two hundred thirty million, two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 81 88 99 108 132 162 198 216 264 297 324 396 594 648 792 891 1188 1782 2376 3564 7128 3258979 6517958 9776937 13035916 19553874 26071832 29330811 35848769 39107748 58661622 71697538 78215496 87992433 107546307 117323244 143395076 175984866 215092614 234646488 263977299 286790152 322638921 351969732 430185228 527954598 645277842 703939464 860370456 967916763 1055909196 1290555684 1935833526 2111818392 2581111368 2903750289 3871667052 5807500578 7743334104 11615001156 23230002312