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130601623 is a prime number
BaseRepresentation
bin1111100100011…
…01001010010111
3100002202020202011
413302031022113
5231413222443
620543125051
73144044515
oct762151227
9302666664
10130601623
11677a2a29
12378a3787
1321099589
14134b94b5
15b6ebb9d
hex7c8d297

130601623 has 2 divisors, whose sum is σ = 130601624. Its totient is φ = 130601622.

The previous prime is 130601617. The next prime is 130601641. The reversal of 130601623 is 326106031.

It is a weak prime.

It is an emirp because it is prime and its reverse (326106031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130601623 - 29 = 130601111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130601594 and 130601603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130601663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65300811 + 65300812.

It is an arithmetic number, because the mean of its divisors is an integer number (65300812).

Almost surely, 2130601623 is an apocalyptic number.

130601623 is a deficient number, since it is larger than the sum of its proper divisors (1).

130601623 is an equidigital number, since it uses as much as digits as its factorization.

130601623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 130601623 is about 11428.1067110874. The cubic root of 130601623 is about 507.3599610378.

Adding to 130601623 its reverse (326106031), we get a palindrome (456707654).

The spelling of 130601623 in words is "one hundred thirty million, six hundred one thousand, six hundred twenty-three".