Base | Representation |
---|---|
bin | 10101100010001111… |
… | …001111111011001001 |
3 | 2012200111000011021200 |
4 | 111202033033323021 |
5 | 334323442013113 |
6 | 14342250054413 |
7 | 1446003160116 |
oct | 254217177311 |
9 | 65614004250 |
10 | 23123001033 |
11 | 9896370a10 |
12 | 4593a1a409 |
13 | 22466c7042 |
14 | 1194d8990d |
15 | 905009873 |
hex | 5623cfec9 |
23123001033 has 36 divisors (see below), whose sum is σ = 38089392432. Its totient is φ = 13404607920.
The previous prime is 23123001023. The next prime is 23123001133. The reversal of 23123001033 is 33010032132.
It is not a de Polignac number, because 23123001033 - 29 = 23123000521 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 23123000997 and 23123001015.
It is not an unprimeable number, because it can be changed into a prime (23123001023) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 168391 + ... + 273132.
Almost surely, 223123001033 is an apocalyptic number.
23123001033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
23123001033 is a deficient number, since it is larger than the sum of its proper divisors (14966391399).
23123001033 is a wasteful number, since it uses less digits than its factorization.
23123001033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 441586 (or 441560 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 23123001033 its reverse (33010032132), we get a palindrome (56133033165).
The spelling of 23123001033 in words is "twenty-three billion, one hundred twenty-three million, one thousand, thirty-three".
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