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123302322030 = 23537409271597
BaseRepresentation
bin111001011010101100…
…1000001111101101110
3102210021011001221200210
41302311121001331232
54010010343301110
6132351100403250
711623355305266
oct1626531017556
9383234057623
10123302322030
1148323a45588
121ba91846526
13b820400584
145d79b687a6
153319d66520
hex1cb5641f6e

123302322030 has 64 divisors (see below), whose sum is σ = 304667772480. Its totient is φ = 31913616384.

The previous prime is 123302322007. The next prime is 123302322041. The reversal of 123302322030 is 30223203321.

It is a junction number, because it is equal to n+sod(n) for n = 123302321988 and 123302322006.

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, 318192 + ... + 589788.

It is an arithmetic number, because the mean of its divisors is an integer number (4760433945).

Almost surely, 2123302322030 is an apocalyptic number.

123302322030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123302322030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152333886240).

123302322030 is an abundant number, since it is smaller than the sum of its proper divisors (181365450450).

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

123302322030 is a wasteful number, since it uses less digits than its factorization.

123302322030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272053.

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

Adding to 123302322030 its reverse (30223203321), we get a palindrome (153525525351).

The spelling of 123302322030 in words is "one hundred twenty-three billion, three hundred two million, three hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 409 555 818 1110 1227 2045 2454 4090 6135 12270 15133 30266 45399 75665 90798 151330 226995 271597 453990 543194 814791 1357985 1629582 2715970 4073955 8147910 10049089 20098178 30147267 50245445 60294534 100490890 111083173 150736335 222166346 301472670 333249519 555415865 666499038 1110831730 1666247595 3332495190 4110077401 8220154802 12330232203 20550387005 24660464406 41100774010 61651161015 123302322030