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23103123000 = 2335322933629
BaseRepresentation
bin10101100001000011…
…011010111000111000
32012122002121020202020
4111201003122320320
5334303344414000
614340300034440
71445342206506
oct254103327070
965562536666
1023103123000
119886124291
124589232a20
1322425572a9
141192493676
159033ceba0
hex5610dae38

23103123000 has 128 divisors (see below), whose sum is σ = 72398664000. Its totient is φ = 6133747200.

The previous prime is 23103122983. The next prime is 23103123011. The reversal of 23103123000 is 32130132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 670186 + ... + 703814.

Almost surely, 223103123000 is an apocalyptic number.

23103123000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23103123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36199332000).

23103123000 is an abundant number, since it is smaller than the sum of its proper divisors (49295541000).

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

23103123000 is a wasteful number, since it uses less digits than its factorization.

23103123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33882 (or 33868 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23103123000 its reverse (32130132), we get a palindrome (23135253132).

The spelling of 23103123000 in words is "twenty-three billion, one hundred three million, one hundred twenty-three thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 229 250 300 375 458 500 600 687 750 916 1000 1145 1374 1500 1832 2290 2748 3000 3435 4580 5496 5725 6870 9160 11450 13740 17175 22900 27480 28625 33629 34350 45800 57250 67258 68700 85875 100887 114500 134516 137400 168145 171750 201774 229000 269032 336290 343500 403548 504435 672580 687000 807096 840725 1008870 1345160 1681450 2017740 2522175 3362900 4035480 4203625 5044350 6725800 7701041 8407250 10088700 12610875 15402082 16814500 20177400 23103123 25221750 30804164 33629000 38505205 46206246 50443500 61608328 77010410 92412492 100887000 115515615 154020820 184824984 192526025 231031230 308041640 385052050 462062460 577578075 770104100 924124920 962630125 1155156150 1540208200 1925260250 2310312300 2887890375 3850520500 4620624600 5775780750 7701041000 11551561500 23103123000