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1351423 is a prime number
BaseRepresentation
bin101001001111011111111
32112122210201
411021323333
5321221143
644544331
714326003
oct5117377
92478721
101351423
11843387
125520a7
13384178
14272703
151ba64d
hex149eff

1351423 has 2 divisors, whose sum is σ = 1351424. Its totient is φ = 1351422.

The previous prime is 1351421. The next prime is 1351439. The reversal of 1351423 is 3241531.

It is a weak prime.

It is an emirp because it is prime and its reverse (3241531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1351423 - 21 = 1351421 is a prime.

Together with 1351421, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1351423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675711 + 675712.

It is an arithmetic number, because the mean of its divisors is an integer number (675712).

21351423 is an apocalyptic number.

1351423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351423 is an equidigital number, since it uses as much as digits as its factorization.

1351423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 19.

The square root of 1351423 is about 1162.5072042788. The cubic root of 1351423 is about 110.5597637440.

Adding to 1351423 its reverse (3241531), we get a palindrome (4592954).

The spelling of 1351423 in words is "one million, three hundred fifty-one thousand, four hundred twenty-three".