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12043423 = 79717737
BaseRepresentation
bin101101111100…
…010010011111
3211122212110201
4231330102133
511040342143
61110044331
7204240010
oct55742237
924585421
1012043423
116886447
1240496a7
1326589b2
141857007
1510cd64d
hexb7c49f

12043423 has 8 divisors (see below), whose sum is σ = 13906592. Its totient is φ = 10215936.

The previous prime is 12043417. The next prime is 12043441. The reversal of 12043423 is 32434021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12043423 - 221 = 9946271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12043423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8190 + ... + 9547.

It is an arithmetic number, because the mean of its divisors is an integer number (1738324).

Almost surely, 212043423 is an apocalyptic number.

12043423 is a deficient number, since it is larger than the sum of its proper divisors (1863169).

12043423 is an equidigital number, since it uses as much as digits as its factorization.

12043423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17841.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 12043423 is about 3470.3635256267. The cubic root of 12043423 is about 229.2186656805.

Adding to 12043423 its reverse (32434021), we get a palindrome (44477444).

The spelling of 12043423 in words is "twelve million, forty-three thousand, four hundred twenty-three".

Divisors: 1 7 97 679 17737 124159 1720489 12043423