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12230323143 = 33127953699
BaseRepresentation
bin10110110001111101…
…11110101111000111
31011120100111210022020
423120332332233013
5200021430320033
65341334134223
7612036013533
oct133076765707
934510453266
1012230323143
115206775885
122453ab1373
1311cbaa7bcc
14840454bc3
154b8ab96b3
hex2d8fbebc7

12230323143 has 24 divisors (see below), whose sum is σ = 17063712000. Its totient is φ = 7790505840.

The previous prime is 12230323121. The next prime is 12230323177. The reversal of 12230323143 is 34132303221.

It is not a de Polignac number, because 12230323143 - 25 = 12230323111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230323643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200908 + ... + 254606.

It is an arithmetic number, because the mean of its divisors is an integer number (710988000).

Almost surely, 212230323143 is an apocalyptic number.

12230323143 is a deficient number, since it is larger than the sum of its proper divisors (4833388857).

12230323143 is an equidigital number, since it uses as much as digits as its factorization.

12230323143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53843 (or 53812 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12230323143 its reverse (34132303221), we get a palindrome (46362626364).

The spelling of 12230323143 in words is "twelve billion, two hundred thirty million, three hundred twenty-three thousand, one hundred forty-three".

Divisors: 1 3 31 79 93 237 961 2449 2883 7347 53699 75919 161097 227757 1664669 4242221 4994007 12726663 51604739 131508851 154814217 394526553 4076774381 12230323143