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23065517 is a prime number
BaseRepresentation
bin101011111111…
…1001110101101
31121101211221102
41113333032231
521401044032
62142212445
7400024256
oct127771655
947354842
1023065517
1112024512
127884125
134a17847
1430c5b2d
152059362
hex15ff3ad

23065517 has 2 divisors, whose sum is σ = 23065518. Its totient is φ = 23065516.

The previous prime is 23065453. The next prime is 23065543. The reversal of 23065517 is 71556032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20666116 + 2399401 = 4546^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 23065517 - 26 = 23065453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23065517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23065117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11532758 + 11532759.

It is an arithmetic number, because the mean of its divisors is an integer number (11532759).

Almost surely, 223065517 is an apocalyptic number.

It is an amenable number.

23065517 is a deficient number, since it is larger than the sum of its proper divisors (1).

23065517 is an equidigital number, since it uses as much as digits as its factorization.

23065517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 23065517 is about 4802.6572852953. The cubic root of 23065517 is about 284.6564733416.

The spelling of 23065517 in words is "twenty-three million, sixty-five thousand, five hundred seventeen".