Base | Representation |
---|---|
bin | 10101011011111100… |
… | …011011111111010111 |
3 | 2012102010022101201012 |
4 | 111123330123333113 |
5 | 334114424001143 |
6 | 14323554522435 |
7 | 1443251504114 |
oct | 253374337727 |
9 | 65363271635 |
10 | 23017406423 |
11 | 98417a9140 |
12 | 456459641b |
13 | 222a874c1b |
14 | 1184d3d90b |
15 | 8eaaec418 |
hex | 55bf1bfd7 |
23017406423 has 16 divisors (see below), whose sum is σ = 26207131392. Its totient is φ = 20010936000.
The previous prime is 23017406407. The next prime is 23017406449. The reversal of 23017406423 is 32460471032.
It is not a de Polignac number, because 23017406423 - 24 = 23017406407 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23017406423.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23017406453) 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, 2312768 + ... + 2322698.
It is an arithmetic number, because the mean of its divisors is an integer number (1637945712).
Almost surely, 223017406423 is an apocalyptic number.
23017406423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
23017406423 is a deficient number, since it is larger than the sum of its proper divisors (3189724969).
23017406423 is a wasteful number, since it uses less digits than its factorization.
23017406423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19126.
The product of its (nonzero) digits is 24192, while the sum is 32.
Adding to 23017406423 its reverse (32460471032), we get a palindrome (55477877455).
The spelling of 23017406423 in words is "twenty-three billion, seventeen million, four hundred six thousand, four hundred twenty-three".
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