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23043341640 = 23351121587007
BaseRepresentation
bin10101011101011111…
…010111110101001000
32012110221010001010210
4111131133113311020
5334143043413030
614330322441120
71444015113024
oct253537276510
965427101123
1023043341640
119855402700
1245712031a0
1322330559c7
141188571384
158ed021bb0
hex55d7d7d48

23043341640 has 96 divisors (see below), whose sum is σ = 75985943040. Its totient is φ = 5586261120.

The previous prime is 23043341627. The next prime is 23043341641. The reversal of 23043341640 is 4614334032.

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

It is a junction number, because it is equal to n+sod(n) for n = 23043341598 and 23043341607.

It is not an unprimeable number, because it can be changed into a prime (23043341641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 778984 + ... + 808023.

It is an arithmetic number, because the mean of its divisors is an integer number (791520240).

Almost surely, 223043341640 is an apocalyptic number.

23043341640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23043341640 is an abundant number, since it is smaller than the sum of its proper divisors (52942601400).

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

23043341640 is a wasteful number, since it uses less digits than its factorization.

23043341640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587043 (or 1587028 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 23043341640 its reverse (4614334032), we get a palindrome (27657675672).

The spelling of 23043341640 in words is "twenty-three billion, forty-three million, three hundred forty-one thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 121 132 165 220 242 264 330 363 440 484 605 660 726 968 1210 1320 1452 1815 2420 2904 3630 4840 7260 14520 1587007 3174014 4761021 6348028 7935035 9522042 12696056 15870070 17457077 19044084 23805105 31740140 34914154 38088168 47610210 52371231 63480280 69828308 87285385 95220420 104742462 139656616 174570770 190440840 192027847 209484924 261856155 349141540 384055694 418969848 523712310 576083541 698283080 768111388 960139235 1047424620 1152167082 1536222776 1920278470 2094849240 2304334164 2880417705 3840556940 4608668328 5760835410 7681113880 11521670820 23043341640