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23431004343 = 3229107839009
BaseRepresentation
bin10101110100100110…
…001100000010110111
32020110221120100101200
4111310212030002313
5340441314114333
614433011423543
71456433152005
oct256446140267
966427510350
1023431004343
119a342113aa
12465abb4bb3
132295467916
1411c3c43a75
15922099c13
hex57498c0b7

23431004343 has 24 divisors (see below), whose sum is σ = 35339101200. Its totient is φ = 14941054464.

The previous prime is 23431004323. The next prime is 23431004347. The reversal of 23431004343 is 34340013432.

23431004343 is a `hidden beast` number, since 2 + 3 + 4 + 310 + 0 + 4 + 343 = 666.

It is not a de Polignac number, because 23431004343 - 28 = 23431004087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431004347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 391578 + ... + 447431.

It is an arithmetic number, because the mean of its divisors is an integer number (1472462550).

Almost surely, 223431004343 is an apocalyptic number.

23431004343 is a deficient number, since it is larger than the sum of its proper divisors (11908096857).

23431004343 is a wasteful number, since it uses less digits than its factorization.

23431004343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839151 (or 839148 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 23431004343 its reverse (34340013432), we get a palindrome (57771017775).

The spelling of 23431004343 in words is "twenty-three billion, four hundred thirty-one million, four thousand, three hundred forty-three".

Divisors: 1 3 9 29 87 107 261 321 963 3103 9309 27927 839009 2517027 7551081 24331261 72993783 89773963 218981349 269321889 807965667 2603444927 7810334781 23431004343