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143123041 is a prime number
BaseRepresentation
bin10001000011111…
…10001001100001
3100222022101220101
420201332021201
5243114414131
622111342401
73355345225
oct1041761141
9328271811
10143123041
1173875506
123bb21a01
13238619b9
1415018785
15c871c61
hex887e261

143123041 has 2 divisors, whose sum is σ = 143123042. Its totient is φ = 143123040.

The previous prime is 143123039. The next prime is 143123047. The reversal of 143123041 is 140321341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82283041 + 60840000 = 9071^2 + 7800^2 .

It is a cyclic number.

It is not a de Polignac number, because 143123041 - 21 = 143123039 is a prime.

Together with 143123039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (143123047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71561520 + 71561521.

It is an arithmetic number, because the mean of its divisors is an integer number (71561521).

Almost surely, 2143123041 is an apocalyptic number.

It is an amenable number.

143123041 is a deficient number, since it is larger than the sum of its proper divisors (1).

143123041 is an equidigital number, since it uses as much as digits as its factorization.

143123041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 143123041 is about 11963.4042395967. The cubic root of 143123041 is about 523.0820917537.

Adding to 143123041 its reverse (140321341), we get a palindrome (283444382).

The spelling of 143123041 in words is "one hundred forty-three million, one hundred twenty-three thousand, forty-one".