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12310000323 = 34103333441
BaseRepresentation
bin10110111011011101…
…11011001011000011
31011202220102210211220
423131232323023003
5200202330002243
65353302010123
7614024163525
oct133556731303
934686383756
1012310000323
115247746495
122476716943
13121245437a
1484ac75a15
154c0aa7783
hex2ddbbb2c3

12310000323 has 4 divisors (see below), whose sum is σ = 16413333768. Its totient is φ = 8206666880.

The previous prime is 12310000289. The next prime is 12310000349. The reversal of 12310000323 is 32300001321.

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 12310000323 - 26 = 12310000259 is a prime.

It is a super-2 number, since 2×123100003232 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12310000363) 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, 2051666718 + ... + 2051666723.

It is an arithmetic number, because the mean of its divisors is an integer number (4103333442).

Almost surely, 212310000323 is an apocalyptic number.

12310000323 is a deficient number, since it is larger than the sum of its proper divisors (4103333445).

12310000323 is an equidigital number, since it uses as much as digits as its factorization.

12310000323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103333444.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12310000323 its reverse (32300001321), we get a palindrome (44610001644).

The spelling of 12310000323 in words is "twelve billion, three hundred ten million, three hundred twenty-three", and thus it is an aban number.

Divisors: 1 3 4103333441 12310000323