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123443124234 = 23231516918573
BaseRepresentation
bin111001011110111001…
…0001001100000001010
3102210121222000110000020
41302331302021200022
54010302414433414
6132413050321310
711630015146323
oct1627562114012
9383558013006
10123443124234
1148396475341
121bb10a29236
13b84362baa1
145d9073b44a
1533273ca7a9
hex1cbdc8980a

123443124234 has 64 divisors (see below), whose sum is σ = 259732113408. Its totient is φ = 39036888000.

The previous prime is 123443124227. The next prime is 123443124239. The reversal of 123443124234 is 432421344321.

It is a junction number, because it is equal to n+sod(n) for n = 123443124195 and 123443124204.

It is not an unprimeable number, because it can be changed into a prime (123443124239) 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 31 ways as a sum of consecutive naturals, for example, 14394772 + ... + 14403344.

It is an arithmetic number, because the mean of its divisors is an integer number (4058314272).

Almost surely, 2123443124234 is an apocalyptic number.

123443124234 is an abundant number, since it is smaller than the sum of its proper divisors (136288989174).

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

123443124234 is a wasteful number, since it uses less digits than its factorization.

123443124234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9443.

The product of its digits is 55296, while the sum is 33.

Adding to 123443124234 its reverse (432421344321), we get a palindrome (555864468555).

The spelling of 123443124234 in words is "one hundred twenty-three billion, four hundred forty-three million, one hundred twenty-four thousand, two hundred thirty-four".

Divisors: 1 2 3 6 23 46 69 138 151 302 453 691 906 1382 2073 3473 4146 6946 8573 10419 15893 17146 20838 25719 31786 47679 51438 95358 104341 197179 208682 313023 394358 591537 626046 1183074 1294523 2399843 2589046 3883569 4799686 5923943 7199529 7767138 11847886 14399058 17771829 29774029 35543658 59548058 89322087 136250689 178644174 272501378 408752067 817504134 894515393 1789030786 2683546179 5367092358 20573854039 41147708078 61721562117 123443124234