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323231123020 = 225133152376679
BaseRepresentation
bin1001011010000100001…
…00111000011001001100
31010220022112101100111211
410231002010320121030
520243434131414040
6404253524424204
732231653133101
oct4550204703114
91126275340454
10323231123020
111150995a6923
1252789548064
1324632a51250
14119045d4aa8
15861be248ea
hex4b4213864c

323231123020 has 96 divisors (see below), whose sum is σ = 756032901120. Its totient is φ = 115274638080.

The previous prime is 323231122979. The next prime is 323231123071. The reversal of 323231123020 is 20321132323.

It is a junction number, because it is equal to n+sod(n) for n = 323231122982 and 323231123000.

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, 4177041 + ... + 4253719.

It is an arithmetic number, because the mean of its divisors is an integer number (7875342720).

Almost surely, 2323231123020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323231123020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378016450560).

323231123020 is an abundant number, since it is smaller than the sum of its proper divisors (432801778100).

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

323231123020 is a wasteful number, since it uses less digits than its factorization.

323231123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77255 (or 77253 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 323231123020 its reverse (20321132323), we get a palindrome (343552255343).

The spelling of 323231123020 in words is "three hundred twenty-three billion, two hundred thirty-one million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 31 52 62 65 124 130 155 260 310 403 523 620 806 1046 1612 2015 2092 2615 4030 5230 6799 8060 10460 13598 16213 27196 32426 33995 64852 67990 76679 81065 135980 153358 162130 210769 306716 324260 383395 421538 766790 843076 996827 1053845 1533580 1993654 2107690 2377049 3987308 4215380 4754098 4984135 9508196 9968270 11885245 19936540 23770490 30901637 40103117 47540980 61803274 80206234 123606548 154508185 160412468 200515585 309016370 401031170 521340521 618032740 802062340 1042681042 1243196627 2085362084 2486393254 2606702605 4972786508 5213405210 6215983135 10426810420 12431966270 16161556151 24863932540 32323112302 64646224604 80807780755 161615561510 323231123020