123050665357 has 2 divisors, whose sum is σ = 123050665358. Its totient is φ = 123050665356.

The previous prime is 123050665337. The next prime is 123050665421. The reversal of 123050665357 is 753566050321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94129921636 + 28920743721 = 306806^2 + 170061^2 .

It is a cyclic number.

It is not a de Polignac number, because 123050665357 - 2³¹ = 120903181709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123050665307) 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, 61525332678 + 61525332679.

It is an arithmetic number, because the mean of its divisors is an integer number (61525332679).

Almost surely, 2^123050665357 is an apocalyptic number.

It is an amenable number.

123050665357 is a deficient number, since it is larger than the sum of its proper divisors (1).

123050665357 is an equidigital number, since it uses as much as digits as its factorization.

123050665357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 123050665357 in words is "one hundred twenty-three billion, fifty million, six hundred sixty-five thousand, three hundred fifty-seven".