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23113231087 is a prime number
BaseRepresentation
bin10101100001101001…
…111110101011101111
32012122210121210102211
4111201221332223233
5334313441343322
614341300431251
71445524136242
oct254151765357
965583553384
1023113231087
1198908a8681
1245906a8527
1322446860cb
141193965259
15904229b77
hex561a7eaef

23113231087 has 2 divisors, whose sum is σ = 23113231088. Its totient is φ = 23113231086.

The previous prime is 23113231079. The next prime is 23113231103. The reversal of 23113231087 is 78013231132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23113231087 - 23 = 23113231079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23113231067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556615543 + 11556615544.

It is an arithmetic number, because the mean of its divisors is an integer number (11556615544).

Almost surely, 223113231087 is an apocalyptic number.

23113231087 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113231087 is an equidigital number, since it uses as much as digits as its factorization.

23113231087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 23113231087 in words is "twenty-three billion, one hundred thirteen million, two hundred thirty-one thousand, eighty-seven".