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12705574423 is a prime number
BaseRepresentation
bin10111101010100111…
…11010111000010111
31012210110210001111111
423311103322320113
5202010111340143
65500432315451
7626566413013
oct136523727027
935713701444
1012705574423
11542aa69133
1225670a2b87
1312763a6299
14887607543
154e569499d
hex2f54fae17

12705574423 has 2 divisors, whose sum is σ = 12705574424. Its totient is φ = 12705574422.

The previous prime is 12705574381. The next prime is 12705574433. The reversal of 12705574423 is 32447550721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12705574423 - 225 = 12672019991 is a prime.

It is a super-2 number, since 2×127055744232 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12705574433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352787211 + 6352787212.

It is an arithmetic number, because the mean of its divisors is an integer number (6352787212).

Almost surely, 212705574423 is an apocalyptic number.

12705574423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12705574423 is an equidigital number, since it uses as much as digits as its factorization.

12705574423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 12705574423 in words is "twelve billion, seven hundred five million, five hundred seventy-four thousand, four hundred twenty-three".