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23130343 = 67345229
BaseRepresentation
bin101100000111…
…1000011100111
31121112010212101
41120033003213
521410132333
62143432531
7400414255
oct130170347
947463771
1023130343
1112069195
1278b5747
134a3b1c2
1431015d5
15206d67d
hex160f0e7

23130343 has 4 divisors (see below), whose sum is σ = 23475640. Its totient is φ = 22785048.

The previous prime is 23130323. The next prime is 23130347. The reversal of 23130343 is 34303132.

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 23130343 - 217 = 22999271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23130343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130347) 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, 172548 + ... + 172681.

It is an arithmetic number, because the mean of its divisors is an integer number (5868910).

Almost surely, 223130343 is an apocalyptic number.

23130343 is a deficient number, since it is larger than the sum of its proper divisors (345297).

23130343 is an equidigital number, since it uses as much as digits as its factorization.

23130343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345296.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 23130343 is about 4809.4015220191. The cubic root of 23130343 is about 284.9229010696.

Adding to 23130343 its reverse (34303132), we get a palindrome (57433475).

The spelling of 23130343 in words is "twenty-three million, one hundred thirty thousand, three hundred forty-three".

Divisors: 1 67 345229 23130343