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23286223 = 45835081
BaseRepresentation
bin101100011010…
…1000111001111
31121211001200201
41120311013033
521430124343
62151034331
7401633602
oct130650717
947731621
1023286223
1112165314
12796b9a7
134a9413c
143142339
15209e94d
hex16351cf

23286223 has 4 divisors (see below), whose sum is σ = 23295888. Its totient is φ = 23276560.

The previous prime is 23286203. The next prime is 23286247. The reversal of 23286223 is 32268232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23286223 - 217 = 23155151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23286191 and 23286200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23286203) 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, 2043 + ... + 7123.

It is an arithmetic number, because the mean of its divisors is an integer number (5823972).

Almost surely, 223286223 is an apocalyptic number.

23286223 is a deficient number, since it is larger than the sum of its proper divisors (9665).

23286223 is an equidigital number, since it uses as much as digits as its factorization.

23286223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664.

The product of its digits is 6912, while the sum is 28.

The square root of 23286223 is about 4825.5800687586. The cubic root of 23286223 is about 285.5615193927.

Subtracting 23286223 from its reverse (32268232), we obtain a square (8982009 = 29972).

The spelling of 23286223 in words is "twenty-three million, two hundred eighty-six thousand, two hundred twenty-three".

Divisors: 1 4583 5081 23286223