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130523 is a prime number
BaseRepresentation
bin11111110111011011
320122001012
4133313123
513134043
62444135
71052351
oct376733
9218035
10130523
118a078
126364b
1347543
14357d1
1528a18
hex1fddb

130523 has 2 divisors, whose sum is σ = 130524. Its totient is φ = 130522.

The previous prime is 130517. The next prime is 130531. The reversal of 130523 is 325031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130523 - 28 = 130267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130498 and 130507.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 130523.

It is not a weakly prime, because it can be changed into another prime (130513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65261 + 65262.

It is an arithmetic number, because the mean of its divisors is an integer number (65262).

2130523 is an apocalyptic number.

130523 is a deficient number, since it is larger than the sum of its proper divisors (1).

130523 is an equidigital number, since it uses as much as digits as its factorization.

130523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 130523 is about 361.2796700619. The cubic root of 130523 is about 50.7258129303.

Adding to 130523 its reverse (325031), we get a palindrome (455554).

The spelling of 130523 in words is "one hundred thirty thousand, five hundred twenty-three".