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1223427371 is a prime number
BaseRepresentation
bin100100011101100…
…0000010100101011
310011021002112211212
41020323000110223
510001144133441
6321222143335
742213650435
oct11073002453
93137075755
101223427371
11578658101
122a1881b4b
1316660792a
14b86ab655
1572616eeb
hex48ec052b

1223427371 has 2 divisors, whose sum is σ = 1223427372. Its totient is φ = 1223427370.

The previous prime is 1223427353. The next prime is 1223427391. The reversal of 1223427371 is 1737243221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223427371 - 218 = 1223165227 is a prime.

It is a super-2 number, since 2×12234273712 = 2993549064223943282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1223427301) 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, 611713685 + 611713686.

It is an arithmetic number, because the mean of its divisors is an integer number (611713686).

Almost surely, 21223427371 is an apocalyptic number.

1223427371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223427371 is an equidigital number, since it uses as much as digits as its factorization.

1223427371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 1223427371 is about 34977.5266564118. The cubic root of 1223427371 is about 1069.5294087490.

The spelling of 1223427371 in words is "one billion, two hundred twenty-three million, four hundred twenty-seven thousand, three hundred seventy-one".