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23323231000020 = 22357232414413147
BaseRepresentation
bin1010100110110010111001…
…11001100001010111010100
310001120200100001212212220010
411103121130321201113110
511024111434114000040
6121334313331440220
74625022256320360
oct523313471412724
9101520301785803
1023323231000020
117482365956186
122748246a56070
1310024a9820ba3
145a8bc97162a0
152a6a564c7e80
hex15365ce615d4

23323231000020 has 96 divisors (see below), whose sum is σ = 77879310501888. Its totient is φ = 5099240564352.

The previous prime is 23323230999953. The next prime is 23323231000021. The reversal of 23323231000020 is 2000013232332.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23323231000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1207196914 + ... + 1207216233.

It is an arithmetic number, because the mean of its divisors is an integer number (811242817728).

Almost surely, 223323231000020 is an apocalyptic number.

23323231000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23323231000020 is an abundant number, since it is smaller than the sum of its proper divisors (54556079501868).

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

23323231000020 is a wasteful number, since it uses less digits than its factorization.

23323231000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414413189 (or 2414413187 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23323231000020 its reverse (2000013232332), we get a palindrome (25323244232352).

The spelling of 23323231000020 in words is "twenty-three trillion, three hundred twenty-three billion, two hundred thirty-one million, twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 23 28 30 35 42 46 60 69 70 84 92 105 115 138 140 161 210 230 276 322 345 420 460 483 644 690 805 966 1380 1610 1932 2415 3220 4830 9660 2414413147 4828826294 7243239441 9657652588 12072065735 14486478882 16900892029 24144131470 28972957764 33801784058 36216197205 48288262940 50702676087 55531502381 67603568116 72432394410 84504460145 101405352174 111063004762 144864788820 166594507143 169008920290 202810704348 222126009524 253513380435 277657511905 333189014286 338017840580 388720516667 507026760870 555315023810 666378028572 777441033334 832972535715 1014053521740 1110630047620 1166161550001 1554882066668 1665945071430 1943602583335 2332323100002 3331890142860 3887205166670 4664646200004 5830807750005 7774410333340 11661615500010 23323231000020