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23020201 is a prime number
BaseRepresentation
bin101011111010…
…0001010101001
31121022112210001
41113310022221
521343121301
62141223001
7366445201
oct127641251
947275701
1023020201
1111aa3466
127861a61
134a00029
1430b3401
15204ac01
hex15f42a9

23020201 has 2 divisors, whose sum is σ = 23020202. Its totient is φ = 23020200.

The previous prime is 23020199. The next prime is 23020273. The reversal of 23020201 is 10202032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13875625 + 9144576 = 3725^2 + 3024^2 .

It is a cyclic number.

It is not a de Polignac number, because 23020201 - 21 = 23020199 is a prime.

Together with 23020199, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23020901) 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, 11510100 + 11510101.

It is an arithmetic number, because the mean of its divisors is an integer number (11510101).

Almost surely, 223020201 is an apocalyptic number.

It is an amenable number.

23020201 is a deficient number, since it is larger than the sum of its proper divisors (1).

23020201 is an equidigital number, since it uses as much as digits as its factorization.

23020201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 23020201 is about 4797.9371609057. The cubic root of 23020201 is about 284.4699329791.

Adding to 23020201 its reverse (10202032), we get a palindrome (33222233).

It can be divided in two parts, 2 and 3020201, that added together give a palindrome (3020203).

The spelling of 23020201 in words is "twenty-three million, twenty thousand, two hundred one".