Base | Representation |
---|---|
bin | 111001010100111101… |
… | …1110101111000111111 |
3 | 102202202202102010110222 |
4 | 1302221323311320333 |
5 | 4004112142333043 |
6 | 132320033051555 |
7 | 11615532522431 |
oct | 1625173657077 |
9 | 382682363428 |
10 | 123110121023 |
11 | 482354aa07a |
12 | 1ba393b6bbb |
13 | b7bc647076 |
14 | 5d5c416651 |
15 | 330804cd68 |
hex | 1ca9ef5e3f |
123110121023 has 8 divisors (see below), whose sum is σ = 127360192080. Its totient is φ = 118860376320.
The previous prime is 123110120993. The next prime is 123110121073. The reversal of 123110121023 is 320121011321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123110121023 - 28 = 123110120767 is a prime.
It is a super-2 number, since 2×1231101210232 (a number of 23 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 = 123110120992 and 123110121010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123110121073) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876911 + ... + 1007567.
It is an arithmetic number, because the mean of its divisors is an integer number (15920024010).
Almost surely, 2123110121023 is an apocalyptic number.
123110121023 is a deficient number, since it is larger than the sum of its proper divisors (4250071057).
123110121023 is a wasteful number, since it uses less digits than its factorization.
123110121023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163177.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 123110121023 its reverse (320121011321), we get a palindrome (443231132344).
The spelling of 123110121023 in words is "one hundred twenty-three billion, one hundred ten million, one hundred twenty-one thousand, twenty-three".
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