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230123310011220 = 223534961131797751
BaseRepresentation
bin110100010100101111000010…
…001001011101001101010100
31010011210120111010212102100010
4310110233002021131031110
5220130320014330324340
62133233104510120220
766320601101555643
oct6424570211351524
91104716433772303
10230123310011220
116736282522098a
1221987532ab0070
139b536c55914c2
1440b8055b7b35a
151b9107e6ecb80
hexd14bc225d354

230123310011220 has 96 divisors (see below), whose sum is σ = 646297596806400. Its totient is φ = 61180337664000.

The previous prime is 230123310011197. The next prime is 230123310011267. The reversal of 230123310011220 is 22110013321032.

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, 127107345 + ... + 128905095.

It is an arithmetic number, because the mean of its divisors is an integer number (6732266633400).

Almost surely, 2230123310011220 is an apocalyptic number.

230123310011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230123310011220 is an abundant number, since it is smaller than the sum of its proper divisors (416174286795180).

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

230123310011220 is a wasteful number, since it uses less digits than its factorization.

230123310011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804225 (or 1804223 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 230123310011220 its reverse (22110013321032), we get a palindrome (252233323332252).

The spelling of 230123310011220 in words is "two hundred thirty trillion, one hundred twenty-three billion, three hundred ten million, eleven thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 349 698 1047 1396 1745 2094 3490 4188 5235 6113 6980 10470 12226 18339 20940 24452 30565 36678 61130 73356 91695 122260 183390 366780 1797751 2133437 3595502 4266874 5393253 6400311 7191004 8533748 8988755 10667185 10786506 12800622 17977510 21334370 21573012 25601244 26966265 32001555 35955020 42668740 53932530 64003110 107865060 128006220 627415099 1254830198 1882245297 2509660396 3137075495 3764490594 6274150990 7528981188 9411226485 10989651863 12548301980 18822452970 21979303726 32968955589 37644905940 43958607452 54948259315 65937911178 109896518630 131875822356 164844777945 219793037260 329689555890 659379111780 3835388500187 7670777000374 11506165500561 15341554000748 19176942500935 23012331001122 38353885001870 46024662002244 57530827502805 76707770003740 115061655005610 230123310011220