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123020330230 = 25723377926141
BaseRepresentation
bin111001010010010010…
…1010100010011110110
3102202112111110021200001
41302210211110103312
54003421201031410
6132303104341514
711613362360620
oct1624445242366
9382474407601
10123020330230
1148199850a06
121ba1331489a
13b7a6b69415
145d50521c10
15330021333a
hex1ca49544f6

123020330230 has 128 divisors (see below), whose sum is σ = 274654126080. Its totient is φ = 38755791360.

The previous prime is 123020330227. The next prime is 123020330249. The reversal of 123020330230 is 32033020321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123020330198 and 123020330207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4692960 + ... + 4719100.

It is an arithmetic number, because the mean of its divisors is an integer number (2145735360).

Almost surely, 2123020330230 is an apocalyptic number.

123020330230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123020330230 is an abundant number, since it is smaller than the sum of its proper divisors (151633795850).

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

123020330230 is a wasteful number, since it uses less digits than its factorization.

123020330230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26294.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 123020330230 its reverse (32033020321), we get a palindrome (155053350551).

The spelling of 123020330230 in words is "one hundred twenty-three billion, twenty million, three hundred thirty thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 37 46 70 74 79 115 158 161 185 230 259 322 370 395 518 553 790 805 851 1106 1295 1610 1702 1817 2590 2765 2923 3634 4255 5530 5846 5957 8510 9085 11914 12719 14615 18170 20461 25438 26141 29230 29785 40922 52282 59570 63595 67229 102305 127190 130705 134458 182987 204610 261410 336145 365974 470603 601243 672290 914935 941206 967217 1202486 1829870 1934434 2065139 2353015 3006215 4130278 4208701 4706030 4836085 6012430 6770519 8417402 9672170 10325695 13541038 14455973 20651390 21043505 22245991 28911946 33852595 42087010 44491982 47498197 67705190 72279865 76410143 94996394 111229955 144559730 152820286 155721937 222459910 237490985 311443874 332487379 382050715 474981970 534871001 664974758 764101430 778609685 1069742002 1557219370 1662436895 1757433289 2674355005 3324873790 3514866578 5348710010 8787166445 12302033023 17574332890 24604066046 61510165115 123020330230