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207401123 is a prime number
BaseRepresentation
bin11000101110010…
…11000010100011
3112110021001212002
430113023002203
5411043313443
632325154215
75065610666
oct1427130243
9473231762
10207401123
11a7088596
125955b96b
1333c78c77
141d78b6dd
151331c2b8
hexc5cb0a3

207401123 has 2 divisors, whose sum is σ = 207401124. Its totient is φ = 207401122.

The previous prime is 207401119. The next prime is 207401197. The reversal of 207401123 is 321104702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 207401123 - 22 = 207401119 is a prime.

It is a super-3 number, since 3×2074011233 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 207401095 and 207401104.

It is not a weakly prime, because it can be changed into another prime (207401723) 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, 103700561 + 103700562.

It is an arithmetic number, because the mean of its divisors is an integer number (103700562).

Almost surely, 2207401123 is an apocalyptic number.

207401123 is a deficient number, since it is larger than the sum of its proper divisors (1).

207401123 is an equidigital number, since it uses as much as digits as its factorization.

207401123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 207401123 is about 14401.4278111582. The cubic root of 207401123 is about 591.9300225830.

Adding to 207401123 its reverse (321104702), we get a palindrome (528505825).

The spelling of 207401123 in words is "two hundred seven million, four hundred one thousand, one hundred twenty-three".