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123420107233 is a prime number
BaseRepresentation
bin111001011110001101…
…0010110000111100001
3102210120100201001121201
41302330122112013201
54010231021412413
6132410505121201
711626315413343
oct1627432260741
9383510631551
10123420107233
1148384484325
121bb05189201
13b83b930367
145d8b669293
1533253809dd
hex1cbc6961e1

123420107233 has 2 divisors, whose sum is σ = 123420107234. Its totient is φ = 123420107232.

The previous prime is 123420107227. The next prime is 123420107303. The reversal of 123420107233 is 332701024321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80981223184 + 42438884049 = 284572^2 + 206007^2 .

It is a cyclic number.

It is not a de Polignac number, because 123420107233 - 213 = 123420099041 is a prime.

It is not a weakly prime, because it can be changed into another prime (123420102233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61710053616 + 61710053617.

It is an arithmetic number, because the mean of its divisors is an integer number (61710053617).

Almost surely, 2123420107233 is an apocalyptic number.

It is an amenable number.

123420107233 is a deficient number, since it is larger than the sum of its proper divisors (1).

123420107233 is an equidigital number, since it uses as much as digits as its factorization.

123420107233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The spelling of 123420107233 in words is "one hundred twenty-three billion, four hundred twenty million, one hundred seven thousand, two hundred thirty-three".