123355052071 has 2 divisors, whose sum is σ = 123355052072. Its totient is φ = 123355052070.

The previous prime is 123355052053. The next prime is 123355052081. The reversal of 123355052071 is 170250553321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123355052071 - 2⁵ = 123355052039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123355052081) 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, 61677526035 + 61677526036.

It is an arithmetic number, because the mean of its divisors is an integer number (61677526036).

Almost surely, 2^123355052071 is an apocalyptic number.

123355052071 is a deficient number, since it is larger than the sum of its proper divisors (1).

123355052071 is an equidigital number, since it uses as much as digits as its factorization.

123355052071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 34.

The spelling of 123355052071 in words is "one hundred twenty-three billion, three hundred fifty-five million, fifty-two thousand, seventy-one".