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23223043443 = 3172353973851
BaseRepresentation
bin10101101000001100…
…111000010101110011
32012221110020211200010
4111220030320111303
5340030044342233
614400222230003
71451326420005
oct255014702563
965843224603
1023223043443
119937891296
124601425303
132261353c32
1411a438c375
1590dbbbb63
hex568338573

23223043443 has 64 divisors (see below), whose sum is σ = 35224906752. Its totient is φ = 13530316800.

The previous prime is 23223043439. The next prime is 23223043447. The reversal of 23223043443 is 34434032232.

It is an interprime number because it is at equal distance from previous prime (23223043439) and next prime (23223043447).

It is not a de Polignac number, because 23223043443 - 22 = 23223043439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23223043443.

It is not an unprimeable number, because it can be changed into a prime (23223043447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6028468 + ... + 6032318.

It is an arithmetic number, because the mean of its divisors is an integer number (550389168).

Almost surely, 223223043443 is an apocalyptic number.

23223043443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23223043443 is a deficient number, since it is larger than the sum of its proper divisors (12001863309).

23223043443 is a wasteful number, since it uses less digits than its factorization.

23223043443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044.

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 23223043443 its reverse (34434032232), we get a palindrome (57657075675).

The spelling of 23223043443 in words is "twenty-three billion, two hundred twenty-three million, forty-three thousand, four hundred forty-three".

Divisors: 1 3 17 23 51 53 69 97 159 291 391 901 1173 1219 1649 2231 2703 3657 3851 4947 5141 6693 11553 15423 20723 37927 62169 65467 87397 88573 113781 118243 196401 204103 262191 265719 354729 373547 612309 1120641 1505741 2010131 3469751 4517223 4694369 6030393 6350299 8591581 10409253 14083107 19050897 19797991 25774743 59393973 79804273 146056877 239412819 336565847 438170631 455353793 1009697541 1366061379 7741014481 23223043443