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142003223 is a prime number
BaseRepresentation
bin10000111011011…
…00110000010111
3100220012111210122
420131230300113
5242323100343
622031342155
73343002365
oct1035546027
9326174718
10142003223
117318013a
123b68195b
132355c09b
1414c06635
15c700068
hex876cc17

142003223 has 2 divisors, whose sum is σ = 142003224. Its totient is φ = 142003222.

The previous prime is 142003171. The next prime is 142003229. The reversal of 142003223 is 322300241.

142003223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (322300241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142003223 - 210 = 142002199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142003229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71001611 + 71001612.

It is an arithmetic number, because the mean of its divisors is an integer number (71001612).

Almost surely, 2142003223 is an apocalyptic number.

142003223 is a deficient number, since it is larger than the sum of its proper divisors (1).

142003223 is an equidigital number, since it uses as much as digits as its factorization.

142003223 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 17.

The square root of 142003223 is about 11916.5105211215. The cubic root of 142003223 is about 521.7142917162.

Adding to 142003223 its reverse (322300241), we get a palindrome (464303464).

The spelling of 142003223 in words is "one hundred forty-two million, three thousand, two hundred twenty-three".