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12143123393 is a prime number
BaseRepresentation
bin10110100111100100…
…10101101111000001
31011100021102120201212
423103302111233001
5144332114422033
65324541135505
7606626563052
oct132362255701
934307376655
1012143123393
115171527375
12242a85a595
1311b69c671b
14832a36729
154b10e2748
hex2d3c95bc1

12143123393 has 2 divisors, whose sum is σ = 12143123394. Its totient is φ = 12143123392.

The previous prime is 12143123371. The next prime is 12143123423. The reversal of 12143123393 is 39332134121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11998354369 + 144769024 = 109537^2 + 12032^2 .

It is a cyclic number.

It is not a de Polignac number, because 12143123393 - 226 = 12076014529 is a prime.

It is not a weakly prime, because it can be changed into another prime (12143123323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071561696 + 6071561697.

It is an arithmetic number, because the mean of its divisors is an integer number (6071561697).

Almost surely, 212143123393 is an apocalyptic number.

It is an amenable number.

12143123393 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143123393 is an equidigital number, since it uses as much as digits as its factorization.

12143123393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The spelling of 12143123393 in words is "twelve billion, one hundred forty-three million, one hundred twenty-three thousand, three hundred ninety-three".