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23253223 = 73321889
BaseRepresentation
bin101100010110…
…1000011100111
31121202101102111
41120231003213
521423100343
62150221451
7401435440
oct130550347
947671374
1023253223
1112142544
127954887
134a82106
1431342c7
152094c9d
hex162d0e7

23253223 has 4 divisors (see below), whose sum is σ = 26575120. Its totient is φ = 19931328.

The previous prime is 23253211. The next prime is 23253227. The reversal of 23253223 is 32235232.

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 23253223 - 213 = 23245031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23253194 and 23253203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23253227) 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, 1660938 + ... + 1660951.

It is an arithmetic number, because the mean of its divisors is an integer number (6643780).

Almost surely, 223253223 is an apocalyptic number.

23253223 is a deficient number, since it is larger than the sum of its proper divisors (3321897).

23253223 is an equidigital number, since it uses as much as digits as its factorization.

23253223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321896.

The product of its digits is 2160, while the sum is 22.

The square root of 23253223 is about 4822.1595784462. The cubic root of 23253223 is about 285.4265614083.

Adding to 23253223 its reverse (32235232), we get a palindrome (55488455).

Subtracting 23253223 from its reverse (32235232), we obtain a square (8982009 = 29972).

The spelling of 23253223 in words is "twenty-three million, two hundred fifty-three thousand, two hundred twenty-three".

Divisors: 1 7 3321889 23253223