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23043141240 = 2335757747543
BaseRepresentation
bin10101011101011110…
…100110111001111000
32012110220201212020120
4111131132212321320
5334143021004430
614330314253240
71444013316540
oct253536467170
965426655216
1023043141240
119855286089
124571127220
132232cb5722
14118851c320
158eced2610
hex55d7a6e78

23043141240 has 128 divisors (see below), whose sum is σ = 79143644160. Its totient is φ = 5257764864.

The previous prime is 23043141223. The next prime is 23043141293. The reversal of 23043141240 is 4214134032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23043141240.

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, 460909 + ... + 508451.

It is an arithmetic number, because the mean of its divisors is an integer number (618309720).

Almost surely, 223043141240 is an apocalyptic number.

23043141240 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 23043141240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39571822080).

23043141240 is an abundant number, since it is smaller than the sum of its proper divisors (56100502920).

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

23043141240 is a wasteful number, since it uses less digits than its factorization.

23043141240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48141 (or 48137 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23043141240 its reverse (4214134032), we get a palindrome (27257275272).

The spelling of 23043141240 in words is "twenty-three billion, forty-three million, one hundred forty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 577 840 1154 1731 2308 2885 3462 4039 4616 5770 6924 8078 8655 11540 12117 13848 16156 17310 20195 23080 24234 32312 34620 40390 47543 48468 60585 69240 80780 95086 96936 121170 142629 161560 190172 237715 242340 285258 332801 380344 475430 484680 570516 665602 713145 950860 998403 1141032 1331204 1426290 1664005 1901720 1996806 2662408 2852580 3328010 3993612 4992015 5705160 6656020 7987224 9984030 13312040 19968060 27432311 39936120 54864622 82296933 109729244 137161555 164593866 192026177 219458488 274323110 329187732 384052354 411484665 548646220 576078531 658375464 768104708 822969330 960130885 1097292440 1152157062 1536209416 1645938660 1920261770 2304314124 2880392655 3291877320 3840523540 4608628248 5760785310 7681047080 11521570620 23043141240