| Base | Representation |
|---|---|
| bin | 111001011010110000… |
| … | …0101010000001110100 |
| 3 | 102210021021211111221220 |
| 4 | 1302311200222001310 |
| 5 | 4010011401234030 |
| 6 | 132351211310340 |
| 7 | 11623411302510 |
| oct | 1626540520164 |
| 9 | 383237744856 |
| 10 | 123304321140 |
| 11 | 48325090540 |
| 12 | 1ba9244b3b0 |
| 13 | b820950490 |
| 14 | 5d7a129140 |
| 15 | 331a10da10 |
| hex | 1cb582a074 |
123304321140 has 384 divisors, whose sum is σ = 476092366848. Its totient is φ = 23011153920.
The previous prime is 123304321139. The next prime is 123304321141. The reversal of 123304321140 is 41123403321.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (123304321139) and next prime (123304321141).
It is a super-2 number, since 2×1233043211402 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 123304321140.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123304321141) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2194477 + ... + 2249963.
It is an arithmetic number, because the mean of its divisors is an integer number (1239823872).
Almost surely, 2123304321140 is an apocalyptic number.
123304321140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 123304321140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238046183424).
123304321140 is an abundant number, since it is smaller than the sum of its proper divisors (352788045708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123304321140 is a wasteful number, since it uses less digits than its factorization.
123304321140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55567 (or 55565 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 123304321140 its reverse (41123403321), we get a palindrome (164427724461).
It can be divided in two parts, 123304 and 321140, that added together give a palindrome (444444).
The spelling of 123304321140 in words is "one hundred twenty-three billion, three hundred four million, three hundred twenty-one thousand, one hundred forty".
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