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123135230325 = 35229106153359
BaseRepresentation
bin111001010101101101…
…1101000000101110101
3102202211111122210222010
41302223123220011311
54004140104332300
6132322331154433
711616256121412
oct1625333500565
9382744583863
10123135230325
114824869a068
121ba458a5a19
13b7c48c8c43
145d618b1109
15330a35ca50
hex1cab6e8175

123135230325 has 48 divisors (see below), whose sum is σ = 210806150400. Its totient is φ = 63346617600.

The previous prime is 123135230311. The next prime is 123135230369. The reversal of 123135230325 is 523032531321.

It is a happy number.

It is not a de Polignac number, because 123135230325 - 26 = 123135230261 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123135230292 and 123135230301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2280996 + ... + 2334354.

It is an arithmetic number, because the mean of its divisors is an integer number (4391794800).

Almost surely, 2123135230325 is an apocalyptic number.

123135230325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123135230325 is a deficient number, since it is larger than the sum of its proper divisors (87670920075).

123135230325 is a wasteful number, since it uses less digits than its factorization.

123135230325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54462 (or 54457 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 123135230325 its reverse (523032531321), we get a palindrome (646167761646).

The spelling of 123135230325 in words is "one hundred twenty-three billion, one hundred thirty-five million, two hundred thirty thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 29 75 87 145 435 725 1061 2175 3183 5305 15915 26525 30769 53359 79575 92307 153845 160077 266795 461535 769225 800385 1333975 1547411 2307675 4001925 4642233 7737055 23211165 38685275 56613899 116055825 169841697 283069495 849208485 1415347475 1641803071 4246042425 4925409213 8209015355 24627046065 41045076775 123135230325