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143213323 = 1131141863
BaseRepresentation
bin10001000100101…
…00001100001011
3100222110222202011
420202110030023
5243130311243
622113320351
73356202361
oct1042241413
9328428664
10143213323
1173927320
123bb660b7
1323893b16
141503d631
15c88d89d
hex889430b

143213323 has 8 divisors (see below), whose sum is σ = 156738816. Its totient is φ = 129772200.

The previous prime is 143213311. The next prime is 143213353. The reversal of 143213323 is 323312341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143213323 - 213 = 143205131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143213294 and 143213303.

It is not an unprimeable number, because it can be changed into a prime (143213303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17511 + ... + 24352.

It is an arithmetic number, because the mean of its divisors is an integer number (19592352).

Almost surely, 2143213323 is an apocalyptic number.

143213323 is a deficient number, since it is larger than the sum of its proper divisors (13525493).

143213323 is a wasteful number, since it uses less digits than its factorization.

143213323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42185.

The product of its digits is 1296, while the sum is 22.

The square root of 143213323 is about 11967.1769018428. The cubic root of 143213323 is about 523.1920553457.

Adding to 143213323 its reverse (323312341), we get a palindrome (466525664).

The spelling of 143213323 in words is "one hundred forty-three million, two hundred thirteen thousand, three hundred twenty-three".

Divisors: 1 11 311 3421 41863 460493 13019393 143213323