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1820012323 is a prime number
BaseRepresentation
bin110110001111011…
…0010111100100011
311200211200012112211
41230132302330203
512211410343243
6500333102551
763046564243
oct15436627443
94624605484
101820012323
11854393218
12429627a57
132300a8c8c
14133a05b23
15a9bacd9d
hex6c7b2f23

1820012323 has 2 divisors, whose sum is σ = 1820012324. Its totient is φ = 1820012322.

The previous prime is 1820012317. The next prime is 1820012329. The reversal of 1820012323 is 3232100281.

It is a balanced prime because it is at equal distance from previous prime (1820012317) and next prime (1820012329).

It is a cyclic number.

It is not a de Polignac number, because 1820012323 - 25 = 1820012291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1820012294 and 1820012303.

It is not a weakly prime, because it can be changed into another prime (1820012329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910006161 + 910006162.

It is an arithmetic number, because the mean of its divisors is an integer number (910006162).

Almost surely, 21820012323 is an apocalyptic number.

1820012323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1820012323 is an equidigital number, since it uses as much as digits as its factorization.

1820012323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1820012323 is about 42661.6024429463. The cubic root of 1820012323 is about 1220.9319053285.

The spelling of 1820012323 in words is "one billion, eight hundred twenty million, twelve thousand, three hundred twenty-three".