123063221773 has 2 divisors, whose sum is σ = 123063221774. Its totient is φ = 123063221772.

The previous prime is 123063221761. The next prime is 123063221839. The reversal of 123063221773 is 377122360321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61671762244 + 61391459529 = 248338^2 + 247773^2 .

It is a cyclic number.

It is not a de Polignac number, because 123063221773 - 2²¹ = 123061124621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123063221273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61531610886 + 61531610887.

It is an arithmetic number, because the mean of its divisors is an integer number (61531610887).

Almost surely, 2^123063221773 is an apocalyptic number.

It is an amenable number.

123063221773 is a deficient number, since it is larger than the sum of its proper divisors (1).

123063221773 is an equidigital number, since it uses as much as digits as its factorization.

123063221773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 123063221773 in words is "one hundred twenty-three billion, sixty-three million, two hundred twenty-one thousand, seven hundred seventy-three".