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1442122523 is a prime number
BaseRepresentation
bin101010111110101…
…0000101100011011
310201111121102012022
41111331100230123
510423140410043
6355033405055
750510560562
oct12575205433
93644542168
101442122523
11680049aa6
12342b6978b
1319ca0944a
14d9758bd9
1586915868
hex55f50b1b

1442122523 has 2 divisors, whose sum is σ = 1442122524. Its totient is φ = 1442122522.

The previous prime is 1442122481. The next prime is 1442122537. The reversal of 1442122523 is 3252212441.

It is a strong prime.

It is an emirp because it is prime and its reverse (3252212441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442122523 - 26 = 1442122459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1442122492 and 1442122501.

It is not a weakly prime, because it can be changed into another prime (1442122823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721061261 + 721061262.

It is an arithmetic number, because the mean of its divisors is an integer number (721061262).

Almost surely, 21442122523 is an apocalyptic number.

1442122523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442122523 is an equidigital number, since it uses as much as digits as its factorization.

1442122523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 26.

The square root of 1442122523 is about 37975.2883201695. The cubic root of 1442122523 is about 1129.7977874518.

Adding to 1442122523 its reverse (3252212441), we get a palindrome (4694334964).

The spelling of 1442122523 in words is "one billion, four hundred forty-two million, one hundred twenty-two thousand, five hundred twenty-three".