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12323221230 = 2351239133151
BaseRepresentation
bin10110111101000010…
…10110111011101110
31011210211022111112010
423132201112323232
5200214221034410
65354453222050
7614244436455
oct133641267356
934724274463
1012323221230
115254156561
12247b031926
131215102ca8
1484c917b9c
154c1d19c20
hex2de856eee

12323221230 has 32 divisors (see below), whose sum is σ = 29579010048. Its totient is φ = 3285828000.

The previous prime is 12323221219. The next prime is 12323221243. The reversal of 12323221230 is 3212232321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12323221197 and 12323221206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355155 + ... + 388305.

It is an arithmetic number, because the mean of its divisors is an integer number (924344064).

Almost surely, 212323221230 is an apocalyptic number.

12323221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12323221230 is an abundant number, since it is smaller than the sum of its proper divisors (17255788818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323221230 is a wasteful number, since it uses less digits than its factorization.

12323221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45552.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12323221230 its reverse (3212232321), we get a palindrome (15535453551).

The spelling of 12323221230 in words is "twelve billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 12391 24782 33151 37173 61955 66302 74346 99453 123910 165755 185865 198906 331510 371730 497265 994530 410774041 821548082 1232322123 2053870205 2464644246 4107740410 6161610615 12323221230