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123493133 is a prime number
BaseRepresentation
bin1110101110001…
…01101100001101
322121101002201202
413113011230031
5223103240013
620130515245
73026450201
oct727055415
9277332652
10123493133
1163788245
1235435b25
131c77ab7a
1412588b01
15ac95858
hex75c5b0d

123493133 has 2 divisors, whose sum is σ = 123493134. Its totient is φ = 123493132.

The previous prime is 123493099. The next prime is 123493147. The reversal of 123493133 is 331394321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116165284 + 7327849 = 10778^2 + 2707^2 .

It is a cyclic number.

It is not a de Polignac number, because 123493133 - 28 = 123492877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123493096 and 123493105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123493333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61746566 + 61746567.

It is an arithmetic number, because the mean of its divisors is an integer number (61746567).

Almost surely, 2123493133 is an apocalyptic number.

It is an amenable number.

123493133 is a deficient number, since it is larger than the sum of its proper divisors (1).

123493133 is an equidigital number, since it uses as much as digits as its factorization.

123493133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 29.

The square root of 123493133 is about 11112.7464202149. The cubic root of 123493133 is about 497.9827160768.

The spelling of 123493133 in words is "one hundred twenty-three million, four hundred ninety-three thousand, one hundred thirty-three".