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123223132230 = 23511373403431
BaseRepresentation
bin111001011000010101…
…0111100100001000110
3102210001122001200201020
41302300222330201012
54004330110212410
6132335151212010
711621404225242
oct1626052744106
9383048050636
10123223132230
1148293278070
121ba6b217006
13b809b94bc3
145d6d433422
153312e22a70
hex1cb0abc846

123223132230 has 32 divisors (see below), whose sum is σ = 322620565248. Its totient is φ = 29872274400.

The previous prime is 123223132213. The next prime is 123223132243. The reversal of 123223132230 is 32231322321.

It is a self number, because there is not a number n which added to its sum of digits gives 123223132230.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 186701386 + ... + 186702045.

It is an arithmetic number, because the mean of its divisors is an integer number (10081892664).

Almost surely, 2123223132230 is an apocalyptic number.

123223132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123223132230 is an abundant number, since it is smaller than the sum of its proper divisors (199397433018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123223132230 is a wasteful number, since it uses less digits than its factorization.

123223132230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373403452.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 123223132230 its reverse (32231322321), we get a palindrome (155454454551).

The spelling of 123223132230 in words is "one hundred twenty-three billion, two hundred twenty-three million, one hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 373403431 746806862 1120210293 1867017155 2240420586 3734034310 4107437741 5601051465 8214875482 11202102930 12322313223 20537188705 24644626446 41074377410 61611566115 123223132230