Base | Representation |
---|---|
bin | 10101101000000101… |
… | …111011101010000111 |
3 | 2012221022211022011010 |
4 | 111220011323222013 |
5 | 340024113101043 |
6 | 14400115213303 |
7 | 1451305062516 |
oct | 255005735207 |
9 | 65838738133 |
10 | 23221222023 |
11 | 993685788a |
12 | 46008a7233 |
13 | 2260b66b7c |
14 | 11a403667d |
15 | 90d95c133 |
hex | 56817ba87 |
23221222023 has 16 divisors (see below), whose sum is σ = 31316271840. Its totient is φ = 15303568896.
The previous prime is 23221222021. The next prime is 23221222043. The reversal of 23221222023 is 32022212232.
It is not a de Polignac number, because 23221222023 - 21 = 23221222021 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23221222021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2215411 + ... + 2225867.
It is an arithmetic number, because the mean of its divisors is an integer number (1957266990).
Almost surely, 223221222023 is an apocalyptic number.
23221222023 is a deficient number, since it is larger than the sum of its proper divisors (8095049817).
23221222023 is a wasteful number, since it uses less digits than its factorization.
23221222023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18866.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 23221222023 its reverse (32022212232), we get a palindrome (55243434255).
The spelling of 23221222023 in words is "twenty-three billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-three".
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