Base | Representation |
---|---|
bin | 11011011011000… |
… | …10001101100111 |
3 | 121000212021010200 |
4 | 31231202031213 |
5 | 432342243143 |
6 | 34454321543 |
7 | 5462211534 |
oct | 1555421547 |
9 | 530767120 |
10 | 230040423 |
11 | 108940858 |
12 | 650592b3 |
13 | 388747c2 |
14 | 227a1d8b |
15 | 152e01d3 |
hex | db62367 |
230040423 has 6 divisors (see below), whose sum is σ = 332280624. Its totient is φ = 153360276.
The previous prime is 230040409. The next prime is 230040427. The reversal of 230040423 is 324040032.
It is not a de Polignac number, because 230040423 - 29 = 230039911 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 230040396 and 230040405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230040427) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12780015 + ... + 12780032.
It is an arithmetic number, because the mean of its divisors is an integer number (55380104).
Almost surely, 2230040423 is an apocalyptic number.
230040423 is a deficient number, since it is larger than the sum of its proper divisors (102240201).
230040423 is a wasteful number, since it uses less digits than its factorization.
230040423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25560053 (or 25560050 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 230040423 is about 15167.0835363955. The cubic root of 230040423 is about 612.7284594371.
Adding to 230040423 its reverse (324040032), we get a palindrome (554080455).
The spelling of 230040423 in words is "two hundred thirty million, forty thousand, four hundred twenty-three".
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