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1023421283 is a prime number
BaseRepresentation
bin111101000000000…
…010101101100011
32122022202012001222
4331000002231203
54043443440113
6245315245255
734234636343
oct7500025543
92568665058
101023421283
11485770615
122468a982b
1313404a931
1499cc6d23
155ecaae08
hex3d002b63

1023421283 has 2 divisors, whose sum is σ = 1023421284. Its totient is φ = 1023421282.

The previous prime is 1023421279. The next prime is 1023421303. The reversal of 1023421283 is 3821243201.

It is a weak prime.

It is an emirp because it is prime and its reverse (3821243201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023421283 - 22 = 1023421279 is a prime.

It is a super-2 number, since 2×10234212832 = 2094782244994732178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1023421783) 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, 511710641 + 511710642.

It is an arithmetic number, because the mean of its divisors is an integer number (511710642).

Almost surely, 21023421283 is an apocalyptic number.

1023421283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023421283 is an equidigital number, since it uses as much as digits as its factorization.

1023421283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1023421283 is about 31990.9562689208. The cubic root of 1023421283 is about 1007.7469245171.

Adding to 1023421283 its reverse (3821243201), we get a palindrome (4844664484).

The spelling of 1023421283 in words is "one billion, twenty-three million, four hundred twenty-one thousand, two hundred eighty-three".