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13211423 is a prime number
BaseRepresentation
bin110010011001…
…011100011111
3220212012122222
4302121130133
511340231143
61151055555
7220203161
oct62313437
926765588
1013211423
117503a35
1245115bb
132977514
141a7c931
15125e768
hexc9971f

13211423 has 2 divisors, whose sum is σ = 13211424. Its totient is φ = 13211422.

The previous prime is 13211399. The next prime is 13211437. The reversal of 13211423 is 32411231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13211423 - 28 = 13211167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13211123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605711 + 6605712.

It is an arithmetic number, because the mean of its divisors is an integer number (6605712).

Almost surely, 213211423 is an apocalyptic number.

13211423 is a deficient number, since it is larger than the sum of its proper divisors (1).

13211423 is an equidigital number, since it uses as much as digits as its factorization.

13211423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 17.

The square root of 13211423 is about 3634.7521235980. The cubic root of 13211423 is about 236.4013030029.

Adding to 13211423 its reverse (32411231), we get a palindrome (45622654).

It can be divided in two parts, 1321 and 1423, that added together give a cube (2744 = 143).

The spelling of 13211423 in words is "thirteen million, two hundred eleven thousand, four hundred twenty-three".