123020322973 has 2 divisors, whose sum is σ = 123020322974. Its totient is φ = 123020322972.

The previous prime is 123020322961. The next prime is 123020323021. The reversal of 123020322973 is 379223020321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74056369689 + 48963953284 = 272133^2 + 221278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123020322973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123020322473) 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, 61510161486 + 61510161487.

It is an arithmetic number, because the mean of its divisors is an integer number (61510161487).

Almost surely, 2^123020322973 is an apocalyptic number.

It is an amenable number.

123020322973 is a deficient number, since it is larger than the sum of its proper divisors (1).

123020322973 is an equidigital number, since it uses as much as digits as its factorization.

123020322973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 123020322973 in words is "one hundred twenty-three billion, twenty million, three hundred twenty-two thousand, nine hundred seventy-three".