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223049423 = 239697801
BaseRepresentation
bin11010100101101…
…11011011001111
3120112201002021202
431102313123033
5424100040143
634044420115
75345613602
oct1522673317
9515632252
10223049423
111049a6373
126284763b
133729770c
14218a2339
15148adab8
hexd4b76cf

223049423 has 4 divisors (see below), whose sum is σ = 232747248. Its totient is φ = 213351600.

The previous prime is 223049413. The next prime is 223049447. The reversal of 223049423 is 324940322.

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 223049423 - 226 = 155940559 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 (223049413) 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, 4848878 + ... + 4848923.

It is an arithmetic number, because the mean of its divisors is an integer number (58186812).

Almost surely, 2223049423 is an apocalyptic number.

223049423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

223049423 is a deficient number, since it is larger than the sum of its proper divisors (9697825).

223049423 is an equidigital number, since it uses as much as digits as its factorization.

223049423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9697824.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 223049423 is about 14934.8392358271. The cubic root of 223049423 is about 606.4574954462.

Adding to 223049423 its reverse (324940322), we get a palindrome (547989745).

The spelling of 223049423 in words is "two hundred twenty-three million, forty-nine thousand, four hundred twenty-three".

Divisors: 1 23 9697801 223049423