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130143523 is a prime number
BaseRepresentation
bin1111100000111…
…01010100100011
3100001212222100111
413300131110203
5231304043043
620525232151
73140126116
oct760352443
9301788314
10130143523
116750a834
1237702657
1320c68c03
14133da57d
15b65b09d
hex7c1d523

130143523 has 2 divisors, whose sum is σ = 130143524. Its totient is φ = 130143522.

The previous prime is 130143509. The next prime is 130143571. The reversal of 130143523 is 325341031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130143523 - 217 = 130012451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130143494 and 130143503.

It is not a weakly prime, because it can be changed into another prime (130143583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65071761 + 65071762.

It is an arithmetic number, because the mean of its divisors is an integer number (65071762).

Almost surely, 2130143523 is an apocalyptic number.

130143523 is a deficient number, since it is larger than the sum of its proper divisors (1).

130143523 is an equidigital number, since it uses as much as digits as its factorization.

130143523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 130143523 is about 11408.0464147022. The cubic root of 130143523 is about 506.7660585733.

Adding to 130143523 its reverse (325341031), we get a palindrome (455484554).

The spelling of 130143523 in words is "one hundred thirty million, one hundred forty-three thousand, five hundred twenty-three".