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1423042331 is a prime number
BaseRepresentation
bin101010011010001…
…1110011100011011
310200011201001002112
41110310132130123
510403244323311
6353112422535
750156442314
oct12464363433
93604631075
101423042331
116702a7847
123386a7a4b
13198a888a9
14d6dcd60b
1584de728b
hex54d1e71b

1423042331 has 2 divisors, whose sum is σ = 1423042332. Its totient is φ = 1423042330.

The previous prime is 1423042277. The next prime is 1423042339. The reversal of 1423042331 is 1332403241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423042331 - 210 = 1423041307 is a prime.

It is a super-2 number, since 2×14230423312 = 4050098951635827122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423042297 and 1423042306.

It is not a weakly prime, because it can be changed into another prime (1423042339) 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, 711521165 + 711521166.

It is an arithmetic number, because the mean of its divisors is an integer number (711521166).

Almost surely, 21423042331 is an apocalyptic number.

1423042331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423042331 is an equidigital number, since it uses as much as digits as its factorization.

1423042331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1423042331 is about 37723.2333052192. The cubic root of 1423042331 is about 1124.7930038252.

Adding to 1423042331 its reverse (1332403241), we get a palindrome (2755445572).

The spelling of 1423042331 in words is "one billion, four hundred twenty-three million, forty-two thousand, three hundred thirty-one".