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1031423 is a prime number
BaseRepresentation
bin11111011110011111111
31221101211212
43323303333
5231001143
634035035
711524031
oct3736377
91841755
101031423
11644a18
12418a7b
132a1613
141cbc51
15155918
hexfbcff

1031423 has 2 divisors, whose sum is σ = 1031424. Its totient is φ = 1031422.

The previous prime is 1031413. The next prime is 1031431. The reversal of 1031423 is 3241301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031423 - 214 = 1015039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031398 and 1031407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031413) 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, 515711 + 515712.

It is an arithmetic number, because the mean of its divisors is an integer number (515712).

21031423 is an apocalyptic number.

1031423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031423 is an equidigital number, since it uses as much as digits as its factorization.

1031423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1031423 is about 1015.5899763192. The cubic root of 1031423 is about 101.0366497716.

Adding to 1031423 its reverse (3241301), we get a palindrome (4272724).

The spelling of 1031423 in words is "one million, thirty-one thousand, four hundred twenty-three".