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23323111020 = 223251131379979
BaseRepresentation
bin10101101110001010…
…100110111001101100
32020012102112210120200
4111232022212321230
5340231204023040
614414155113500
71453653113136
oct255612467154
966172483520
1023323111020
119989319570
12462aa42890
132278cbc411
1411b379a056
15917886630
hex56e2a6e6c

23323111020 has 144 divisors (see below), whose sum is σ = 79668126720. Its totient is φ = 5471683200.

The previous prime is 23323110977. The next prime is 23323111043. The reversal of 23323111020 is 2011132332.

23323111020 is a `hidden beast` number, since 2 + 332 + 311 + 1 + 0 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 23323110984 and 23323111002.

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 47 ways as a sum of consecutive naturals, for example, 128610 + ... + 251369.

It is an arithmetic number, because the mean of its divisors is an integer number (553250880).

Almost surely, 223323111020 is an apocalyptic number.

23323111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23323111020 is an abundant number, since it is smaller than the sum of its proper divisors (56345015700).

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

23323111020 is a wasteful number, since it uses less digits than its factorization.

23323111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380036 (or 380031 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23323111020 its reverse (2011132332), we get a palindrome (25334243352).

The spelling of 23323111020 in words is "twenty-three billion, three hundred twenty-three million, one hundred eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 31 33 36 44 45 55 60 62 66 90 93 99 110 124 132 155 165 180 186 198 220 279 310 330 341 372 396 465 495 558 620 660 682 930 990 1023 1116 1364 1395 1705 1860 1980 2046 2790 3069 3410 4092 5115 5580 6138 6820 10230 12276 15345 20460 30690 61380 379979 759958 1139937 1519916 1899895 2279874 3419811 3799790 4179769 4559748 5699685 6839622 7599580 8359538 11399370 11779349 12539307 13679244 16719076 17099055 20898845 22798740 23558698 25078614 34198110 35338047 37617921 41797690 47117396 50157228 58896745 62696535 68396220 70676094 75235842 83595380 106014141 117793490 125393070 129572839 141352188 150471684 176690235 188089605 212028282 235586980 250786140 259145678 353380470 376179210 388718517 424056564 518291356 530070705 647864195 706760940 752358420 777437034 1060141410 1166155551 1295728390 1554874068 1943592585 2120282820 2332311102 2591456780 3887185170 4664622204 5830777755 7774370340 11661555510 23323111020