Base | Representation |
---|---|
bin | 101100010100… |
… | …0111101000111 |
3 | 1121201112101021 |
4 | 1120220331013 |
5 | 21422031143 |
6 | 2150012011 |
7 | 401335450 |
oct | 130507507 |
9 | 47645337 |
10 | 23236423 |
11 | 12130961 |
12 | 7947007 |
13 | 4a77582 |
14 | 312c127 |
15 | 208eced |
hex | 1628f47 |
23236423 has 4 divisors (see below), whose sum is σ = 26555920. Its totient is φ = 19916928.
The previous prime is 23236403. The next prime is 23236427. The reversal of 23236423 is 32463232.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23236423 - 217 = 23105351 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23236427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659738 + ... + 1659751.
It is an arithmetic number, because the mean of its divisors is an integer number (6638980).
Almost surely, 223236423 is an apocalyptic number.
23236423 is a deficient number, since it is larger than the sum of its proper divisors (3319497).
23236423 is an equidigital number, since it uses as much as digits as its factorization.
23236423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3319496.
The product of its digits is 5184, while the sum is 25.
The square root of 23236423 is about 4820.4173055867. The cubic root of 23236423 is about 285.3578064734.
Adding to 23236423 its reverse (32463232), we get a palindrome (55699655).
The spelling of 23236423 in words is "twenty-three million, two hundred thirty-six thousand, four hundred twenty-three".
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