Base | Representation |
---|---|
bin | 10101110101110011… |
… | …010110010010111111 |
3 | 2020112100121222201210 |
4 | 111311303112102333 |
5 | 341012003401143 |
6 | 14435013135503 |
7 | 1460100115044 |
oct | 256563262277 |
9 | 66470558653 |
10 | 23451231423 |
11 | 9a446772a4 |
12 | 466592a593 |
13 | 22996ca4c9 |
14 | 11c67cb1cb |
15 | 923c43033 |
hex | 575cd64bf |
23451231423 has 16 divisors (see below), whose sum is σ = 31491449856. Its totient is φ = 15522828000.
The previous prime is 23451231421. The next prime is 23451231467. The reversal of 23451231423 is 32413215432.
It is not a de Polignac number, because 23451231423 - 21 = 23451231421 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23451231421) 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, 359686 + ... + 419852.
It is an arithmetic number, because the mean of its divisors is an integer number (1968215616).
Almost surely, 223451231423 is an apocalyptic number.
23451231423 is a deficient number, since it is larger than the sum of its proper divisors (8040218433).
23451231423 is a wasteful number, since it uses less digits than its factorization.
23451231423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61094.
The product of its digits is 17280, while the sum is 30.
Adding to 23451231423 its reverse (32413215432), we get a palindrome (55864446855).
The spelling of 23451231423 in words is "twenty-three billion, four hundred fifty-one million, two hundred thirty-one thousand, four hundred twenty-three".
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