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1121303023 is a prime number
BaseRepresentation
bin100001011010101…
…1011100111101111
32220010221002120121
41002311123213233
54244023144043
6303133225411
736533630011
oct10265334757
92803832517
101121303023
11525a45615
12273632267
1314b3cc219
14a8cc61b1
1568692ded
hex42d5b9ef

1121303023 has 2 divisors, whose sum is σ = 1121303024. Its totient is φ = 1121303022.

The previous prime is 1121302999. The next prime is 1121303041. The reversal of 1121303023 is 3203031211.

It is a strong prime.

It is an emirp because it is prime and its reverse (3203031211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121303023 - 25 = 1121302991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121302988 and 1121303006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121303063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560651511 + 560651512.

It is an arithmetic number, because the mean of its divisors is an integer number (560651512).

Almost surely, 21121303023 is an apocalyptic number.

1121303023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121303023 is an equidigital number, since it uses as much as digits as its factorization.

1121303023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1121303023 is about 33485.8630320319. The cubic root of 1121303023 is about 1038.9013987676.

Adding to 1121303023 its reverse (3203031211), we get a palindrome (4324334234).

The spelling of 1121303023 in words is "one billion, one hundred twenty-one million, three hundred three thousand, twenty-three".