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123497873 is a prime number
BaseRepresentation
bin1110101110001…
…10110110010001
322121101100020022
413113012312101
5223103412443
620130553225
73026500052
oct727066621
9277340208
10123497873
1163790864
1235438815
131c780085
141258a729
15ac96e68
hex75c6d91

123497873 has 2 divisors, whose sum is σ = 123497874. Its totient is φ = 123497872.

The previous prime is 123497861. The next prime is 123497903. The reversal of 123497873 is 378794321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97160449 + 26337424 = 9857^2 + 5132^2 .

It is a cyclic number.

It is not a de Polignac number, because 123497873 - 224 = 106720657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (123491873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61748936 + 61748937.

It is an arithmetic number, because the mean of its divisors is an integer number (61748937).

Almost surely, 2123497873 is an apocalyptic number.

It is an amenable number.

123497873 is a deficient number, since it is larger than the sum of its proper divisors (1).

123497873 is an equidigital number, since it uses as much as digits as its factorization.

123497873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 123497873 is about 11112.9596867801. The cubic root of 123497873 is about 497.9890873025.

The spelling of 123497873 in words is "one hundred twenty-three million, four hundred ninety-seven thousand, eight hundred seventy-three".