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23081759287 is a prime number
BaseRepresentation
bin10101011111110001…
…111011001000110111
32012120121101212020121
4111133301323020313
5334232412244122
614334214112411
71444662500566
oct253761731067
965517355217
1023081759287
119875062424
12458204b707
13223acb7242
14118d6d1bdd
159015aebc7
hex55fc7b237

23081759287 has 2 divisors, whose sum is σ = 23081759288. Its totient is φ = 23081759286.

The previous prime is 23081759279. The next prime is 23081759369. The reversal of 23081759287 is 78295718032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23081759287 - 23 = 23081759279 is a prime.

It is a super-2 number, since 2×230817592872 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23081759087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11540879643 + 11540879644.

It is an arithmetic number, because the mean of its divisors is an integer number (11540879644).

Almost surely, 223081759287 is an apocalyptic number.

23081759287 is a deficient number, since it is larger than the sum of its proper divisors (1).

23081759287 is an equidigital number, since it uses as much as digits as its factorization.

23081759287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 23081759287 in words is "twenty-three billion, eighty-one million, seven hundred fifty-nine thousand, two hundred eighty-seven".