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123793903 is a prime number
BaseRepresentation
bin1110110000011…
…11000111101111
322121221101022101
413120033013233
5223142401103
620141155531
73032142112
oct730170757
9277841271
10123793903
1163973212
123555bba7
131c854a3c
1412626579
15ad04a1d
hex760f1ef

123793903 has 2 divisors, whose sum is σ = 123793904. Its totient is φ = 123793902.

The previous prime is 123793841. The next prime is 123793909. The reversal of 123793903 is 309397321.

It is a strong prime.

It is an emirp because it is prime and its reverse (309397321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123793903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123793909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61896951 + 61896952.

It is an arithmetic number, because the mean of its divisors is an integer number (61896952).

Almost surely, 2123793903 is an apocalyptic number.

123793903 is a deficient number, since it is larger than the sum of its proper divisors (1).

123793903 is an equidigital number, since it uses as much as digits as its factorization.

123793903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 123793903 is about 11126.2708487615. The cubic root of 123793903 is about 498.3866706021.

The spelling of 123793903 in words is "one hundred twenty-three million, seven hundred ninety-three thousand, nine hundred three".