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23101232317 is a prime number
BaseRepresentation
bin10101100000111100…
…001101010010111101
32012121222001012012221
4111200330031102331
5334302403413232
614340151325341
71445320143352
oct254074152275
965558035187
1023101232317
119885052839
124588680851
132242044847
141192120629
15903159897
hex560f0d4bd

23101232317 has 2 divisors, whose sum is σ = 23101232318. Its totient is φ = 23101232316.

The previous prime is 23101232281. The next prime is 23101232321. The reversal of 23101232317 is 71323210132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22376868921 + 724363396 = 149589^2 + 26914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23101232317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23101232291 and 23101232300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23101232417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550616158 + 11550616159.

It is an arithmetic number, because the mean of its divisors is an integer number (11550616159).

Almost surely, 223101232317 is an apocalyptic number.

It is an amenable number.

23101232317 is a deficient number, since it is larger than the sum of its proper divisors (1).

23101232317 is an equidigital number, since it uses as much as digits as its factorization.

23101232317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 23101232317 its reverse (71323210132), we get a palindrome (94424442449).

The spelling of 23101232317 in words is "twenty-three billion, one hundred one million, two hundred thirty-two thousand, three hundred seventeen".