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10120323123 = 323049368803
BaseRepresentation
bin10010110110011011…
…11110000000110011
3222010022011200102100
421123031332000303
5131211300314443
64352121351443
7505535220141
oct113315760063
928108150370
1010120323123
114323727609
121b65338583
13c538c84a1
146c0124591
153e37293d3
hex25b37e033

10120323123 has 12 divisors (see below), whose sum is σ = 14623078600. Its totient is φ = 6744650976.

The previous prime is 10120323107. The next prime is 10120323151. The reversal of 10120323123 is 32132302101.

It is not a de Polignac number, because 10120323123 - 24 = 10120323107 is a prime.

It is a super-2 number, since 2×101203231232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120323096 and 10120323105.

It is not an unprimeable number, because it can be changed into a prime (10120323163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156961 + ... + 211842.

Almost surely, 210120323123 is an apocalyptic number.

10120323123 is a deficient number, since it is larger than the sum of its proper divisors (4502755477).

10120323123 is a wasteful number, since it uses less digits than its factorization.

10120323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371858 (or 371855 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10120323123 its reverse (32132302101), we get a palindrome (42252625224).

The spelling of 10120323123 in words is "ten billion, one hundred twenty million, three hundred twenty-three thousand, one hundred twenty-three".

Divisors: 1 3 9 3049 9147 27441 368803 1106409 3319227 1124480347 3373441041 10120323123