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12223023331 = 23531435797
BaseRepresentation
bin10110110001000110…
…01000100011100011
31011112211202220211211
423120203020203203
5200013043221311
65340513450551
7611616661351
oct133043104343
934484686754
1012223023331
11520263a382
122451570a57
1311ca4203ac
1483d4b47d1
154b8126821
hex2d88c88e3

12223023331 has 4 divisors (see below), whose sum is σ = 12754459152. Its totient is φ = 11691587512.

The previous prime is 12223023313. The next prime is 12223023343. The reversal of 12223023331 is 13332032221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12223023331 - 217 = 12222892259 is a prime.

It is a super-2 number, since 2×122230233312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223023391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265717876 + ... + 265717921.

It is an arithmetic number, because the mean of its divisors is an integer number (3188614788).

Almost surely, 212223023331 is an apocalyptic number.

12223023331 is a deficient number, since it is larger than the sum of its proper divisors (531435821).

12223023331 is an equidigital number, since it uses as much as digits as its factorization.

12223023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531435820.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12223023331 its reverse (13332032221), we get a palindrome (25555055552).

The spelling of 12223023331 in words is "twelve billion, two hundred twenty-three million, twenty-three thousand, three hundred thirty-one".

Divisors: 1 23 531435797 12223023331