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12300031323 = 323736937031
BaseRepresentation
bin10110111010010001…
…11001010101011011
31011202012200022221200
423131020321111123
5200142302000243
65352304205243
7613543353426
oct133510712533
934665608850
1012300031323
115242057648
122473309823
131210373958
148497dc9bd
154bec88ad3
hex2dd23955b

12300031323 has 12 divisors (see below), whose sum is σ = 18246893808. Its totient is φ = 7978398480.

The previous prime is 12300031309. The next prime is 12300031351. The reversal of 12300031323 is 32313000321.

12300031323 is a `hidden beast` number, since 12 + 300 + 0 + 31 + 323 = 666.

It is not a de Polignac number, because 12300031323 - 26 = 12300031259 is a prime.

It is a super-2 number, since 2×123000313232 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12300031296 and 12300031305.

It is not an unprimeable number, because it can be changed into a prime (12300031123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18468183 + ... + 18468848.

It is an arithmetic number, because the mean of its divisors is an integer number (1520574484).

Almost surely, 212300031323 is an apocalyptic number.

12300031323 is a deficient number, since it is larger than the sum of its proper divisors (5946862485).

12300031323 is a wasteful number, since it uses less digits than its factorization.

12300031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36937074 (or 36937071 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12300031323 its reverse (32313000321), we get a palindrome (44613031644).

The spelling of 12300031323 in words is "twelve billion, three hundred million, thirty-one thousand, three hundred twenty-three".

Divisors: 1 3 9 37 111 333 36937031 110811093 332433279 1366670147 4100010441 12300031323