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30120323 is a prime number
BaseRepresentation
bin111001011100…
…1100110000011
32002200021022112
41302321212003
530202322243
62553325535
7514006232
oct162714603
962607275
1030120323
1116002932
12a1068ab
13631799c
144000b19
15299e818
hex1cb9983

30120323 has 2 divisors, whose sum is σ = 30120324. Its totient is φ = 30120322.

The previous prime is 30120289. The next prime is 30120341. The reversal of 30120323 is 32302103.

It is a strong prime.

It is an emirp because it is prime and its reverse (32302103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30120323 - 214 = 30103939 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 30120298 and 30120307.

It is not a weakly prime, because it can be changed into another prime (30120353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060161 + 15060162.

It is an arithmetic number, because the mean of its divisors is an integer number (15060162).

Almost surely, 230120323 is an apocalyptic number.

30120323 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120323 is an equidigital number, since it uses as much as digits as its factorization.

30120323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30120323 is about 5488.1985204619. The cubic root of 30120323 is about 311.1381092736.

Adding to 30120323 its reverse (32302103), we get a palindrome (62422426).

The spelling of 30120323 in words is "thirty million, one hundred twenty thousand, three hundred twenty-three".