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143225923 is a prime number
BaseRepresentation
bin10001000100101…
…11010001000011
3100222111122000211
420202113101003
5243131212143
622113454551
73356254201
oct1042272103
9328448024
10143225923
1173935835
123bb71457
1323899789
1415044071
15c89249d
hex8897443

143225923 has 2 divisors, whose sum is σ = 143225924. Its totient is φ = 143225922.

The previous prime is 143225917. The next prime is 143225941. The reversal of 143225923 is 329522341.

It is a weak prime.

It is an emirp because it is prime and its reverse (329522341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143225923 - 213 = 143217731 is a prime.

It is not a weakly prime, because it can be changed into another prime (143225903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71612961 + 71612962.

It is an arithmetic number, because the mean of its divisors is an integer number (71612962).

Almost surely, 2143225923 is an apocalyptic number.

143225923 is a deficient number, since it is larger than the sum of its proper divisors (1).

143225923 is an equidigital number, since it uses as much as digits as its factorization.

143225923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 143225923 is about 11967.7033302134. The cubic root of 143225923 is about 523.2073984866.

The spelling of 143225923 in words is "one hundred forty-three million, two hundred twenty-five thousand, nine hundred twenty-three".