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12023231145231 = 314047328530349
BaseRepresentation
bin1010111011110110000001…
…1010111110010100001111
31120120102001122120120000210
42232331200122332110033
53033442034133121411
641323221322053503
72350435606334625
oct256754032762417
946512048516023
1012023231145231
11391602959a089
12142222394a293
13692a2a61c377
142d7cdb079515
1515cb4268cca6
hexaef606be50f

12023231145231 has 8 divisors (see below), whose sum is σ = 16031089543600. Its totient is φ = 8015430088512.

The previous prime is 12023231145197. The next prime is 12023231145269. The reversal of 12023231145231 is 13254113232021.

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

It is not a de Polignac number, because 12023231145231 - 210 = 12023231144207 is a prime.

It is a super-2 number, since 2×120232311452312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023231145031) 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, 13843756 + ... + 14686593.

It is an arithmetic number, because the mean of its divisors is an integer number (2003886192950).

Almost surely, 212023231145231 is an apocalyptic number.

12023231145231 is a deficient number, since it is larger than the sum of its proper divisors (4007858398369).

12023231145231 is a wasteful number, since it uses less digits than its factorization.

12023231145231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28670825.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 12023231145231 its reverse (13254113232021), we get a palindrome (25277344377252).

The spelling of 12023231145231 in words is "twelve trillion, twenty-three billion, two hundred thirty-one million, one hundred forty-five thousand, two hundred thirty-one".

Divisors: 1 3 140473 421419 28530349 85591047 4007743715077 12023231145231