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23693471 is a prime number
BaseRepresentation
bin101101001100…
…0100010011111
31122120202022222
41122120202133
522031142341
62203455555
7405251114
oct132304237
948522288
1023693471
111241328a
127b275bb
134ba7609
14320a90b
15213044b
hex169889f

23693471 has 2 divisors, whose sum is σ = 23693472. Its totient is φ = 23693470.

The previous prime is 23693447. The next prime is 23693477. The reversal of 23693471 is 17439632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23693471 - 210 = 23692447 is a prime.

It is a super-3 number, since 3×236934713 (a number of 23 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 congruent number.

It is not a weakly prime, because it can be changed into another prime (23693477) 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, 11846735 + 11846736.

It is an arithmetic number, because the mean of its divisors is an integer number (11846736).

Almost surely, 223693471 is an apocalyptic number.

23693471 is a deficient number, since it is larger than the sum of its proper divisors (1).

23693471 is an equidigital number, since it uses as much as digits as its factorization.

23693471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 23693471 is about 4867.5939641675. The cubic root of 23693471 is about 287.2166170492.

The spelling of 23693471 in words is "twenty-three million, six hundred ninety-three thousand, four hundred seventy-one".