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123101120022103 = 227869540227587
BaseRepresentation
bin11011111111010110110110…
…100001111100011001010111
3121010212100111201012200010101
4123333112312201330121113
5112113342043211201403
61113451512425234531
734633522340353306
oct3377266641743127
9533770451180111
10123101120022103
113625098a016193
12119819a4032a47
13538c50280a482
1422581a9a5843d
15e372215c271d
hex6ff5b687c657

123101120022103 has 4 divisors (see below), whose sum is σ = 123101660477560. Its totient is φ = 123100579566648.

The previous prime is 123101120022059. The next prime is 123101120022113. The reversal of 123101120022103 is 301220021101321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123101120022103 is a prime.

It is a super-2 number, since 2×1231011200221032 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101120022113) 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, 269885925 + ... + 270341662.

It is an arithmetic number, because the mean of its divisors is an integer number (30775415119390).

Almost surely, 2123101120022103 is an apocalyptic number.

123101120022103 is a deficient number, since it is larger than the sum of its proper divisors (540455457).

123101120022103 is an equidigital number, since it uses as much as digits as its factorization.

123101120022103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540455456.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123101120022103 its reverse (301220021101321), we get a palindrome (424321141123424).

The spelling of 123101120022103 in words is "one hundred twenty-three trillion, one hundred one billion, one hundred twenty million, twenty-two thousand, one hundred three".

Divisors: 1 227869 540227587 123101120022103