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20300323 is a prime number
BaseRepresentation
bin100110101110…
…0001000100011
31102012100210211
41031130020203
520144102243
62003034551
7334356421
oct115341043
942170724
1020300323
1110505a2a
12696ba57
13428a034
1429a6111
151baed9d
hex135c223

20300323 has 2 divisors, whose sum is σ = 20300324. Its totient is φ = 20300322.

The previous prime is 20300317. The next prime is 20300327. The reversal of 20300323 is 32300302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20300323 - 213 = 20292131 is a prime.

It is a super-2 number, since 2×203003232 = 824206227808658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20300327) 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, 10150161 + 10150162.

It is an arithmetic number, because the mean of its divisors is an integer number (10150162).

Almost surely, 220300323 is an apocalyptic number.

20300323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300323 is an equidigital number, since it uses as much as digits as its factorization.

20300323 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 13.

The square root of 20300323 is about 4505.5879749484. The cubic root of 20300323 is about 272.7936872362.

Adding to 20300323 its reverse (32300302), we get a palindrome (52600625).

The spelling of 20300323 in words is "twenty million, three hundred thousand, three hundred twenty-three".