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123753304121 is a prime number
BaseRepresentation
bin111001101000001000…
…1011001000000111001
3102211102120200012211012
41303100101121000321
54011421321212441
6132503530443305
711640502505006
oct1632021310071
9384376605735
10123753304121
1148535572057
121bb98893535
13b892982295
145dbda008ad
15334474a9eb
hex1cd0459039

123753304121 has 2 divisors, whose sum is σ = 123753304122. Its totient is φ = 123753304120.

The previous prime is 123753304069. The next prime is 123753304127. The reversal of 123753304121 is 121403357321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120850788496 + 2902515625 = 347636^2 + 53875^2 .

It is a cyclic number.

It is not a de Polignac number, because 123753304121 - 210 = 123753303097 is a prime.

It is not a weakly prime, because it can be changed into another prime (123753304127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61876652060 + 61876652061.

It is an arithmetic number, because the mean of its divisors is an integer number (61876652061).

Almost surely, 2123753304121 is an apocalyptic number.

It is an amenable number.

123753304121 is a deficient number, since it is larger than the sum of its proper divisors (1).

123753304121 is an equidigital number, since it uses as much as digits as its factorization.

123753304121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 123753304121 in words is "one hundred twenty-three billion, seven hundred fifty-three million, three hundred four thousand, one hundred twenty-one".