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121230203323 = 1915494119133
BaseRepresentation
bin111000011100111100…
…0100001100110111011
3102120220202000102012111
41300321320201212323
53441234413001243
6131405315553151
711521124504005
oct1607170414673
9376822012174
10121230203323
1147460320089
121b5b38bb7b7
13b580025228
145c20899375
153247eaa39d
hex1c39e219bb

121230203323 has 8 divisors (see below), whose sum is σ = 127693154000. Its totient is φ = 114775494048.

The previous prime is 121230203299. The next prime is 121230203329. The reversal of 121230203323 is 323302032121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121230203323 - 213 = 121230195131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121230203294 and 121230203303.

It is not an unprimeable number, because it can be changed into a prime (121230203329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030136 + ... + 2088997.

It is an arithmetic number, because the mean of its divisors is an integer number (15961644250).

Almost surely, 2121230203323 is an apocalyptic number.

121230203323 is a deficient number, since it is larger than the sum of its proper divisors (6462950677).

121230203323 is a wasteful number, since it uses less digits than its factorization.

121230203323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120701.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 121230203323 its reverse (323302032121), we get a palindrome (444532235444).

The spelling of 121230203323 in words is "one hundred twenty-one billion, two hundred thirty million, two hundred three thousand, three hundred twenty-three".

Divisors: 1 19 1549 29431 4119133 78263527 6380537017 121230203323