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523123297 is a prime number
BaseRepresentation
bin11111001011100…
…011101001100001
31100110100102020221
4133023203221201
52032404421142
6123524203041
715651321544
oct3713435141
91313312227
10523123297
11249320304
12127239481
13844c0018
144d69485b
1530dd4767
hex1f2e3a61

523123297 has 2 divisors, whose sum is σ = 523123298. Its totient is φ = 523123296.

The previous prime is 523123283. The next prime is 523123379. The reversal of 523123297 is 792321325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393982801 + 129140496 = 19849^2 + 11364^2 .

It is a cyclic number.

It is not a de Polignac number, because 523123297 - 27 = 523123169 is a prime.

It is not a weakly prime, because it can be changed into another prime (523123397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261561648 + 261561649.

It is an arithmetic number, because the mean of its divisors is an integer number (261561649).

Almost surely, 2523123297 is an apocalyptic number.

It is an amenable number.

523123297 is a deficient number, since it is larger than the sum of its proper divisors (1).

523123297 is an equidigital number, since it uses as much as digits as its factorization.

523123297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 523123297 is about 22871.8887938884. Note that the first 3 decimals coincide. The cubic root of 523123297 is about 805.7519288819.

The spelling of 523123297 in words is "five hundred twenty-three million, one hundred twenty-three thousand, two hundred ninety-seven".