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123930349 is a prime number
BaseRepresentation
bin1110110001100…
…00011011101101
322122012022110221
413120300123231
5223211232344
620144131341
73033250654
oct730603355
9278168427
10123930349
1163a56784
1235606b51
131c8a1b8a
141266019b
15ad30184
hex76306ed

123930349 has 2 divisors, whose sum is σ = 123930350. Its totient is φ = 123930348.

The previous prime is 123930341. The next prime is 123930361. The reversal of 123930349 is 943039321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94575625 + 29354724 = 9725^2 + 5418^2 .

It is a cyclic number.

It is not a de Polignac number, because 123930349 - 23 = 123930341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123930341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61965174 + 61965175.

It is an arithmetic number, because the mean of its divisors is an integer number (61965175).

Almost surely, 2123930349 is an apocalyptic number.

It is an amenable number.

123930349 is a deficient number, since it is larger than the sum of its proper divisors (1).

123930349 is an equidigital number, since it uses as much as digits as its factorization.

123930349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 123930349 is about 11132.4008641443. The cubic root of 123930349 is about 498.5697111154.

The spelling of 123930349 in words is "one hundred twenty-three million, nine hundred thirty thousand, three hundred forty-nine".