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23044320201 = 37461179293
BaseRepresentation
bin10101011101100011…
…000110101111001001
32012110222221202110210
4111131203012233021
5334143321221301
614330355431333
71444026330000
oct253543065711
965428852423
1023044320201
119855a10931
1245715b5549
132233309236
141188747c37
158ed166ad6
hex55d8c6bc9

23044320201 has 80 divisors (see below), whose sum is σ = 36760772160. Its totient is φ = 12835992960.

The previous prime is 23044320191. The next prime is 23044320223. The reversal of 23044320201 is 10202344032.

It is not a de Polignac number, because 23044320201 - 211 = 23044318153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23044320001) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 78649411 + ... + 78649703.

It is an arithmetic number, because the mean of its divisors is an integer number (459509652).

Almost surely, 223044320201 is an apocalyptic number.

23044320201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23044320201 is a deficient number, since it is larger than the sum of its proper divisors (13716451959).

23044320201 is an equidigital number, since it uses as much as digits as its factorization.

23044320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23044320201 its reverse (10202344032), we get a palindrome (33246664233).

The spelling of 23044320201 in words is "twenty-three billion, forty-four million, three hundred twenty thousand, two hundred one".

Divisors: 1 3 7 21 49 61 147 179 183 293 343 427 537 879 1029 1253 1281 2051 2401 2989 3759 6153 7203 8771 8967 10919 14357 17873 20923 26313 32757 43071 52447 53619 61397 62769 76433 100499 125111 146461 157341 184191 229299 301497 367129 375333 429779 439383 535031 703493 875777 1101387 1289337 1605093 2110479 2569903 2627331 3199267 3745217 6130439 7709709 9597801 11235651 17989321 18391317 22394869 26216519 42913073 53967963 67184607 78649557 125925247 128739219 156764083 377775741 470292249 1097348581 3292045743 7681440067 23044320201