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12235678223 is a prime number
BaseRepresentation
bin10110110010100110…
…11010001000001111
31011120201120212002112
423121103122020033
5200024313200343
65342045014235
7612132356156
oct133123321017
934521525075
1012235678223
1152097a316a
12245585437b
1311ccc314b2
1484104a59d
154b92c6218
hex2d94da20f

12235678223 has 2 divisors, whose sum is σ = 12235678224. Its totient is φ = 12235678222.

The previous prime is 12235678219. The next prime is 12235678249. The reversal of 12235678223 is 32287653221.

12235678223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12235678223 - 22 = 12235678219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12235678283) 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, 6117839111 + 6117839112.

It is an arithmetic number, because the mean of its divisors is an integer number (6117839112).

Almost surely, 212235678223 is an apocalyptic number.

12235678223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12235678223 is an equidigital number, since it uses as much as digits as its factorization.

12235678223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The spelling of 12235678223 in words is "twelve billion, two hundred thirty-five million, six hundred seventy-eight thousand, two hundred twenty-three".