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23223231330 = 23513223199153
BaseRepresentation
bin10101101000001101…
…100110001101100010
32012221110121101101220
4111220031212031202
5340030121400310
614400230235510
71451331131535
oct255015461542
965843541356
1023223231330
1199379aa472
1246014b5b96
1322613bb600
1411a43daa1c
1590dc07670
hex568366362

23223231330 has 96 divisors (see below), whose sum is σ = 62977274496. Its totient is φ = 5467917312.

The previous prime is 23223231323. The next prime is 23223231359. The reversal of 23223231330 is 3313232232.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23223231330.

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, 17034 + ... + 216186.

It is an arithmetic number, because the mean of its divisors is an integer number (656013276).

Almost surely, 223223231330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23223231330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31488637248).

23223231330 is an abundant number, since it is smaller than the sum of its proper divisors (39754043166).

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

23223231330 is a wasteful number, since it uses less digits than its factorization.

23223231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199212 (or 199199 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 23223231330 its reverse (3313232232), we get a palindrome (26536463562).

The spelling of 23223231330 in words is "twenty-three billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 23 26 30 39 46 65 69 78 115 130 138 169 195 230 299 338 345 390 507 598 690 845 897 1014 1495 1690 1794 2535 2990 3887 4485 5070 7774 8970 11661 19435 23322 38870 58305 116610 199153 398306 597459 995765 1194918 1991530 2588989 2987295 4580519 5177978 5974590 7766967 9161038 12944945 13741557 15533934 22902595 25889890 27483114 33656857 38834835 45805190 59546747 67313714 68707785 77669670 100970571 119093494 137415570 168284285 178640241 201941142 297733735 336568570 357280482 504852855 595467470 774107711 893201205 1009705710 1548215422 1786402410 2322323133 3870538555 4644646266 7741077110 11611615665 23223231330