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23203110013 is a prime number
BaseRepresentation
bin10101100111000000…
…110101110001111101
32012220001202010010221
4111213000311301331
5340004444010023
614354231101341
71450665116026
oct254700656175
965801663127
1023203110013
119927606a86
1245b6811851
13225a194bc5
1411a187dc4d
1590c08085d
hex567035c7d

23203110013 has 2 divisors, whose sum is σ = 23203110014. Its totient is φ = 23203110012.

The previous prime is 23203110001. The next prime is 23203110031. The reversal of 23203110013 is 31001130232.

Together with next prime (23203110031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21898672324 + 1304437689 = 147982^2 + 36117^2 .

It is a cyclic number.

It is not a de Polignac number, because 23203110013 - 25 = 23203109981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23203110053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601555006 + 11601555007.

It is an arithmetic number, because the mean of its divisors is an integer number (11601555007).

Almost surely, 223203110013 is an apocalyptic number.

It is an amenable number.

23203110013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203110013 is an equidigital number, since it uses as much as digits as its factorization.

23203110013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 23203110013 its reverse (31001130232), we get a palindrome (54204240245).

The spelling of 23203110013 in words is "twenty-three billion, two hundred three million, one hundred ten thousand, thirteen".