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23123013000 = 2335347163993
BaseRepresentation
bin10101100010001111…
…010010110110001000
32012200111000202200220
4111202033102312020
5334323442404000
614342250230040
71446003240033
oct254217226610
965614022626
1023123013000
1198963799aa
124593a25320
1322466cc619
141194d9001a
1590500d1a0
hex5623d2d88

23123013000 has 128 divisors (see below), whose sum is σ = 73679224320. Its totient is φ = 6034905600.

The previous prime is 23123012963. The next prime is 23123013031. The reversal of 23123013000 is 31032132.

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

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, 59004 + ... + 222996.

It is an arithmetic number, because the mean of its divisors is an integer number (575618940).

Almost surely, 223123013000 is an apocalyptic number.

23123013000 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 23123013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36839612160).

23123013000 is an abundant number, since it is smaller than the sum of its proper divisors (50556211320).

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

23123013000 is a wasteful number, since it uses less digits than its factorization.

23123013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164064 (or 164050 counting only the distinct ones).

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

Adding to 23123013000 its reverse (31032132), we get a palindrome (23154045132).

The spelling of 23123013000 in words is "twenty-three billion, one hundred twenty-three million, thirteen thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 47 50 60 75 94 100 120 125 141 150 188 200 235 250 282 300 375 376 470 500 564 600 705 750 940 1000 1128 1175 1410 1500 1880 2350 2820 3000 3525 4700 5640 5875 7050 9400 11750 14100 17625 23500 28200 35250 47000 70500 141000 163993 327986 491979 655972 819965 983958 1311944 1639930 1967916 2459895 3279860 3935832 4099825 4919790 6559720 7707671 8199650 9839580 12299475 15415342 16399300 19679160 20499125 23123013 24598950 30830684 32798600 38538355 40998250 46246026 49197900 61497375 61661368 77076710 81996500 92492052 98395800 115615065 122994750 154153420 163993000 184984104 192691775 231230130 245989500 308306840 385383550 462460260 491979000 578075325 770767100 924920520 963458875 1156150650 1541534200 1926917750 2312301300 2890376625 3853835500 4624602600 5780753250 7707671000 11561506500 23123013000