Base | Representation |
---|---|
bin | 10101110100100011… |
… | …001101011100100101 |
3 | 2020110220002200111020 |
4 | 111310203031130211 |
5 | 340441114124103 |
6 | 14432543001353 |
7 | 1456423420644 |
oct | 256443153445 |
9 | 66426080436 |
10 | 23430223653 |
11 | 9a33828901 |
12 | 465a899259 |
13 | 2295253485 |
14 | 11c3abd35b |
15 | 921e93753 |
hex | 5748cd725 |
23430223653 has 4 divisors (see below), whose sum is σ = 31240298208. Its totient is φ = 15620149100.
The previous prime is 23430223637. The next prime is 23430223657. The reversal of 23430223653 is 35632203432.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23430223653 - 24 = 23430223637 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23430223657) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3905037273 + ... + 3905037278.
It is an arithmetic number, because the mean of its divisors is an integer number (7810074552).
Almost surely, 223430223653 is an apocalyptic number.
It is an amenable number.
23430223653 is a deficient number, since it is larger than the sum of its proper divisors (7810074555).
23430223653 is an equidigital number, since it uses as much as digits as its factorization.
23430223653 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7810074554.
The product of its (nonzero) digits is 77760, while the sum is 33.
The spelling of 23430223653 in words is "twenty-three billion, four hundred thirty million, two hundred twenty-three thousand, six hundred fifty-three".
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