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143430302323 = 721123321871
BaseRepresentation
bin1000010110010100011…
…1001011101001110011
3111201012220102021220101
42011211013023221303
54322221124133243
6145520241053231
713235223311500
oct2054507135163
9451186367811
10143430302323
1155912737040
122396a627217
13106aa467599
146d290464a7
153ae6e6254d
hex21651cba73

143430302323 has 48 divisors (see below), whose sum is σ = 190296898560. Its totient is φ = 106899685200.

The previous prime is 143430302311. The next prime is 143430302437. The reversal of 143430302323 is 323203034341.

It is a happy number.

143430302323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-143430302323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143430302291 and 143430302300.

It is not an unprimeable number, because it can be changed into a prime (143430302723) 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 47 ways as a sum of consecutive naturals, for example, 6547078 + ... + 6568948.

It is an arithmetic number, because the mean of its divisors is an integer number (3964518720).

Almost surely, 2143430302323 is an apocalyptic number.

143430302323 is a deficient number, since it is larger than the sum of its proper divisors (46866596237).

143430302323 is an equidigital number, since it uses as much as digits as its factorization.

143430302323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21965 (or 21912 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 143430302323 its reverse (323203034341), we get a palindrome (466633336664).

The spelling of 143430302323 in words is "one hundred forty-three billion, four hundred thirty million, three hundred two thousand, three hundred twenty-three".

Divisors: 1 7 11 23 49 77 161 253 529 539 1127 1771 3703 5819 12167 12397 21871 25921 40733 85169 133837 153097 240581 285131 503033 596183 936859 1071679 1684067 3521231 5533363 6558013 11569759 11788469 24648617 38733541 80988313 127267349 266104457 271134787 566918191 890871443 1862731199 2927149027 6236100101 13039118393 20490043189 143430302323