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12301123103 = 90713562429
BaseRepresentation
bin10110111010011010…
…00011111000011111
31011202021201210120222
423131031003320133
5200143041414403
65352343431555
7613555551443
oct133515037037
934667653528
1012301123103
115242732945
1224737555bb
131210666889
14849a04823
154bee02338
hex2dd343e1f

12301123103 has 4 divisors (see below), whose sum is σ = 12314686440. Its totient is φ = 12287559768.

The previous prime is 12301123073. The next prime is 12301123129. The reversal of 12301123103 is 30132110321.

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 12301123103 - 228 = 12032687647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301123183) 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, 6780308 + ... + 6782121.

It is an arithmetic number, because the mean of its divisors is an integer number (3078671610).

Almost surely, 212301123103 is an apocalyptic number.

12301123103 is a deficient number, since it is larger than the sum of its proper divisors (13563337).

12301123103 is an equidigital number, since it uses as much as digits as its factorization.

12301123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13563336.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12301123103 its reverse (30132110321), we get a palindrome (42433233424).

The spelling of 12301123103 in words is "twelve billion, three hundred one million, one hundred twenty-three thousand, one hundred three".

Divisors: 1 907 13562429 12301123103