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43023923 = 1719133201
BaseRepresentation
bin1010010000011…
…1111000110011
32222221211201122
42210013320303
542003231143
64134052455
71031461115
oct244077063
988854648
1043023923
1122316568
12124aa12b
138bb5057
1459dd3b5
153b9cc68
hex2907e33

43023923 has 8 divisors (see below), whose sum is σ = 47952720. Its totient is φ = 38361600.

The previous prime is 43023857. The next prime is 43023931. The reversal of 43023923 is 32932034.

43023923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43023923 - 28 = 43023667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43023892 and 43023901.

It is not an unprimeable number, because it can be changed into a prime (43023943) 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 7 ways as a sum of consecutive naturals, for example, 66278 + ... + 66923.

It is an arithmetic number, because the mean of its divisors is an integer number (5994090).

Almost surely, 243023923 is an apocalyptic number.

43023923 is a deficient number, since it is larger than the sum of its proper divisors (4928797).

43023923 is a wasteful number, since it uses less digits than its factorization.

43023923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133237.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 43023923 is about 6559.2623823110. The cubic root of 43023923 is about 350.4047643749.

Adding to 43023923 its reverse (32932034), we get a palindrome (75955957).

The spelling of 43023923 in words is "forty-three million, twenty-three thousand, nine hundred twenty-three".

Divisors: 1 17 19 323 133201 2264417 2530819 43023923