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123424123350 = 2352111743102329
BaseRepresentation
bin111001011110010100…
…1101010100111010110
3102210120122021002200210
41302330221222213112
54010233033421400
6132411131150250
711626364511213
oct1627451524726
9383518232623
10123424123350
1148386777730
121bb065a5386
13b83c708368
145d8bdd2b0a
1533258c5950
hex1cbca6a9d6

123424123350 has 192 divisors, whose sum is σ = 361786487040. Its totient is φ = 27505766400.

The previous prime is 123424123331. The next prime is 123424123379. The reversal of 123424123350 is 53321424321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1154986 + ... + 1257314.

It is an arithmetic number, because the mean of its divisors is an integer number (1884304620).

Almost surely, 2123424123350 is an apocalyptic number.

123424123350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123424123350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180893243520).

123424123350 is an abundant number, since it is smaller than the sum of its proper divisors (238362363690).

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

123424123350 is a wasteful number, since it uses less digits than its factorization.

123424123350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102415 (or 102410 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 123424123350 its reverse (53321424321), we get a palindrome (176745547671).

The spelling of 123424123350 in words is "one hundred twenty-three billion, four hundred twenty-four million, one hundred twenty-three thousand, three hundred fifty".