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123043316 = 221119532777
BaseRepresentation
bin1110101010101…
…11110111110100
322120112020200212
413111113313310
5222444341231
620113124552
73022564604
oct725276764
9276466625
10123043316
11635002a0
1235259758
131c6511c6
14124acc04
15ac0742b
hex7557df4

123043316 has 48 divisors (see below), whose sum is σ = 252020160. Its totient is φ = 51966720.

The previous prime is 123043223. The next prime is 123043363. The reversal of 123043316 is 613340321.

It is a super-2 number, since 2×1230433162 = 30279315224551712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123043291 and 123043300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42920 + ... + 45696.

It is an arithmetic number, because the mean of its divisors is an integer number (5250420).

Almost surely, 2123043316 is an apocalyptic number.

It is an amenable number.

123043316 is an abundant number, since it is smaller than the sum of its proper divisors (128976844).

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

123043316 is a wasteful number, since it uses less digits than its factorization.

123043316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 123043316 is about 11092.4891706055. The cubic root of 123043316 is about 497.3773555242.

Adding to 123043316 its reverse (613340321), we get a palindrome (736383637).

The spelling of 123043316 in words is "one hundred twenty-three million, forty-three thousand, three hundred sixteen".

Divisors: 1 2 4 11 19 22 38 44 53 76 106 209 212 418 583 836 1007 1166 2014 2332 2777 4028 5554 11077 11108 22154 30547 44308 52763 61094 105526 122188 147181 211052 294362 580393 588724 1160786 1618991 2321572 2796439 3237982 5592878 6475964 11185756 30760829 61521658 123043316