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180023 is a prime number
BaseRepresentation
bin101011111100110111
3100010221112
4223330313
521230043
63505235
71346564
oct537467
9303845
10180023
11113288
128821b
1363c2c
144986b
1538518
hex2bf37

180023 has 2 divisors, whose sum is σ = 180024. Its totient is φ = 180022.

The previous prime is 180007. The next prime is 180043. The reversal of 180023 is 320081.

It is a weak prime.

It is an emirp because it is prime and its reverse (320081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 180023 - 24 = 180007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90011 + 90012.

It is an arithmetic number, because the mean of its divisors is an integer number (90012).

2180023 is an apocalyptic number.

180023 is a deficient number, since it is larger than the sum of its proper divisors (1).

180023 is an equidigital number, since it uses as much as digits as its factorization.

180023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 180023 is about 424.2911736061. The cubic root of 180023 is about 56.4645665003.

The spelling of 180023 in words is "one hundred eighty thousand, twenty-three".