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12301230023123 = 27947440162809
BaseRepresentation
bin1011001100000001101001…
…1100100010000111010011
31121112222121212111210001112
42303000122130202013103
53103020404341214443
642055035042523535
72406506642656166
oct263003234420723
947488555453045
1012301230023123
113a12a16723738
1214680890665ab
136b30022c5312
14307550227add
15164eb359ab18
hexb301a7221d3

12301230023123 has 4 divisors (see below), whose sum is σ = 12301670213880. Its totient is φ = 12300789832368.

The previous prime is 12301230023113. The next prime is 12301230023143. The reversal of 12301230023123 is 32132003210321.

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 12301230023123 - 24 = 12301230023107 is a prime.

It is a super-4 number, since 4×123012300231234 (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12301230023113) 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 3 ways as a sum of consecutive naturals, for example, 220053458 + ... + 220109351.

It is an arithmetic number, because the mean of its divisors is an integer number (3075417553470).

Almost surely, 212301230023123 is an apocalyptic number.

12301230023123 is a deficient number, since it is larger than the sum of its proper divisors (440190757).

12301230023123 is an equidigital number, since it uses as much as digits as its factorization.

12301230023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440190756.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12301230023123 its reverse (32132003210321), we get a palindrome (44433233233444).

The spelling of 12301230023123 in words is "twelve trillion, three hundred one billion, two hundred thirty million, twenty-three thousand, one hundred twenty-three".

Divisors: 1 27947 440162809 12301230023123