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23021023000 = 2353471313739
BaseRepresentation
bin10101011100001010…
…001110111100011000
32012102101010010201111
4111130022032330120
5334121340214000
614324204230104
71443324316063
oct253412167430
965371103644
1023021023000
119843849348
12456583b334
13222b540101
1411856018da
158eb0b3cba
hex55c28ef18

23021023000 has 128 divisors (see below), whose sum is σ = 55450137600. Its totient is φ = 8941296000.

The previous prime is 23021022977. The next prime is 23021023013. The reversal of 23021023000 is 32012032.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 6155131 + ... + 6158869.

It is an arithmetic number, because the mean of its divisors is an integer number (433204200).

Almost surely, 223021023000 is an apocalyptic number.

23021023000 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 23021023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27725068800).

23021023000 is an abundant number, since it is smaller than the sum of its proper divisors (32429114600).

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

23021023000 is a wasteful number, since it uses less digits than its factorization.

23021023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938 (or 3924 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 23021023000 its reverse (32012032), we get a palindrome (23053035032).

The spelling of 23021023000 in words is "twenty-three billion, twenty-one million, twenty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 47 50 94 100 125 131 188 200 235 250 262 376 470 500 524 655 940 1000 1048 1175 1310 1880 2350 2620 3275 3739 4700 5240 5875 6157 6550 7478 9400 11750 12314 13100 14956 16375 18695 23500 24628 26200 29912 30785 32750 37390 47000 49256 61570 65500 74780 93475 123140 131000 149560 153925 175733 186950 246280 307850 351466 373900 467375 489809 615700 702932 747800 769625 878665 934750 979618 1231400 1405864 1539250 1757330 1869500 1959236 2449045 3078500 3514660 3739000 3918472 4393325 4898090 6157000 7029320 8786650 9796180 12245225 17573300 19592360 21966625 23021023 24490450 35146600 43933250 46042046 48980900 61226125 87866500 92084092 97961800 115105115 122452250 175733000 184168184 230210230 244904500 460420460 489809000 575525575 920840920 1151051150 2302102300 2877627875 4604204600 5755255750 11510511500 23021023000