Base | Representation |
---|---|
bin | 10101100010010000… |
… | …011001001100000011 |
3 | 2012200111120101221010 |
4 | 111202100121030003 |
5 | 334324031113443 |
6 | 14342300332003 |
7 | 1446005550036 |
oct | 254220311403 |
9 | 65614511833 |
10 | 23123301123 |
11 | 989655641a |
12 | 4593b44003 |
13 | 22467a0800 |
14 | 119502701d |
15 | 905068733 |
hex | 562419303 |
23123301123 has 12 divisors (see below), whose sum is σ = 33385121880. Its totient is φ = 14229723456.
The previous prime is 23123301083. The next prime is 23123301133. The reversal of 23123301123 is 32110332132.
It is not a de Polignac number, because 23123301123 - 28 = 23123300867 is a prime.
It is a super-2 number, since 2×231233011232 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 23123301123.
It is not an unprimeable number, because it can be changed into a prime (23123301133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22803538 + ... + 22804551.
It is an arithmetic number, because the mean of its divisors is an integer number (2782093490).
Almost surely, 223123301123 is an apocalyptic number.
23123301123 is a deficient number, since it is larger than the sum of its proper divisors (10261820757).
23123301123 is a wasteful number, since it uses less digits than its factorization.
23123301123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45608118 (or 45608105 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 23123301123 its reverse (32110332132), we get a palindrome (55233633255).
The spelling of 23123301123 in words is "twenty-three billion, one hundred twenty-three million, three hundred one thousand, one hundred twenty-three".
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