Base | Representation |
---|---|
bin | 10101100001000101… |
… | …101111000111001011 |
3 | 2012122010202002120021 |
4 | 111201011233013023 |
5 | 334304023330443 |
6 | 14340321041311 |
7 | 1445350315525 |
oct | 254105570713 |
9 | 65563662507 |
10 | 23103730123 |
11 | 98864a9441 |
12 | 4589486237 |
13 | 224270a736 |
14 | 11925b0a15 |
15 | 90349e9ed |
hex | 56116f1cb |
23103730123 has 2 divisors, whose sum is σ = 23103730124. Its totient is φ = 23103730122.
The previous prime is 23103730049. The next prime is 23103730147. The reversal of 23103730123 is 32103730132.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23103730123 - 221 = 23101632971 is a prime.
It is not a weakly prime, because it can be changed into another prime (23103730423) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551865061 + 11551865062.
It is an arithmetic number, because the mean of its divisors is an integer number (11551865062).
Almost surely, 223103730123 is an apocalyptic number.
23103730123 is a deficient number, since it is larger than the sum of its proper divisors (1).
23103730123 is an equidigital number, since it uses as much as digits as its factorization.
23103730123 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2268, while the sum is 25.
Subtracting 23103730123 from its reverse (32103730132), we obtain a palindrome (9000000009).
The spelling of 23103730123 in words is "twenty-three billion, one hundred three million, seven hundred thirty thousand, one hundred twenty-three".
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