Base | Representation |
---|---|
bin | 11011111110010111100111… |
… | …111110111100011010111111 |
3 | 121010121212021100120221222102 |
4 | 123332113213332330122333 |
5 | 112111234023414344411 |
6 | 1113400404035335315 |
7 | 34625600065560665 |
oct | 3376274776743277 |
9 | 533555240527872 |
10 | 123033230231231 |
11 | 36225110aa5501 |
12 | 119707b7a5153b |
13 | 5385ca3616798 |
14 | 2254ba93c8c35 |
15 | e3559b393d3b |
hex | 6fe5e7fbc6bf |
123033230231231 has 2 divisors, whose sum is σ = 123033230231232. Its totient is φ = 123033230231230.
The previous prime is 123033230231213. The next prime is 123033230231251. The reversal of 123033230231231 is 132132032330321.
Together with previous prime (123033230231213) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 123033230231231 - 26 = 123033230231167 is a prime.
It is a super-2 number, since 2×1230332302312312 (a number of 29 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 123033230231194 and 123033230231203.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (123033230231251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61516615115615 + 61516615115616.
It is an arithmetic number, because the mean of its divisors is an integer number (61516615115616).
Almost surely, 2123033230231231 is an apocalyptic number.
123033230231231 is a deficient number, since it is larger than the sum of its proper divisors (1).
123033230231231 is an equidigital number, since it uses as much as digits as its factorization.
123033230231231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 11664, while the sum is 29.
Adding to 123033230231231 its reverse (132132032330321), we get a palindrome (255165262561552).
The spelling of 123033230231231 in words is "one hundred twenty-three trillion, thirty-three billion, two hundred thirty million, two hundred thirty-one thousand, two hundred thirty-one".
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