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520230023 is a prime number
BaseRepresentation
bin11111000000100…
…001010010000111
31100020220102102122
4133000201102013
52031134330043
6123342200155
715614611415
oct3700412207
91306812378
10520230023
11247724575
1212628305b
1383a19121
144d1402b5
1530a12368
hex1f021487

520230023 has 2 divisors, whose sum is σ = 520230024. Its totient is φ = 520230022.

The previous prime is 520229999. The next prime is 520230037. The reversal of 520230023 is 320032025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520230023 - 26 = 520229959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520229983 and 520230010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520230083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260115011 + 260115012.

It is an arithmetic number, because the mean of its divisors is an integer number (260115012).

Almost surely, 2520230023 is an apocalyptic number.

520230023 is a deficient number, since it is larger than the sum of its proper divisors (1).

520230023 is an equidigital number, since it uses as much as digits as its factorization.

520230023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 520230023 is about 22808.5515322653. The cubic root of 520230023 is about 804.2637059567.

Adding to 520230023 its reverse (320032025), we get a palindrome (840262048).

The spelling of 520230023 in words is "five hundred twenty million, two hundred thirty thousand, twenty-three".