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163030223 is a prime number
BaseRepresentation
bin10011011011110…
…10010011001111
3102100202210102102
421231322103033
5313213431343
624102145315
74016506526
oct1155722317
9370683372
10163030223
1184032024
124672223b
1327a11ab5
141791b4bd
15e4a53b8
hex9b7a4cf

163030223 has 2 divisors, whose sum is σ = 163030224. Its totient is φ = 163030222.

The previous prime is 163030211. The next prime is 163030237. The reversal of 163030223 is 322030361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163030223 - 210 = 163029199 is a prime.

It is a super-2 number, since 2×1630302232 = 53157707222859458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 163030195 and 163030204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163030253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81515111 + 81515112.

It is an arithmetic number, because the mean of its divisors is an integer number (81515112).

Almost surely, 2163030223 is an apocalyptic number.

163030223 is a deficient number, since it is larger than the sum of its proper divisors (1).

163030223 is an equidigital number, since it uses as much as digits as its factorization.

163030223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 163030223 is about 12768.3289039717. The cubic root of 163030223 is about 546.2893167630.

Adding to 163030223 its reverse (322030361), we get a palindrome (485060584).

The spelling of 163030223 in words is "one hundred sixty-three million, thirty thousand, two hundred twenty-three".