123885673 has 2 divisors, whose sum is σ = 123885674. Its totient is φ = 123885672.

The previous prime is 123885661. The next prime is 123885677. The reversal of 123885673 is 376588321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63792169 + 60093504 = 7987^2 + 7752^2 .

It is a cyclic number.

It is not a de Polignac number, because 123885673 - 2²¹ = 121788521 is a prime.

It is not a weakly prime, because it can be changed into another prime (123885677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61942836 + 61942837.

It is an arithmetic number, because the mean of its divisors is an integer number (61942837).

Almost surely, 2^123885673 is an apocalyptic number.

It is an amenable number.

123885673 is a deficient number, since it is larger than the sum of its proper divisors (1).

123885673 is an equidigital number, since it uses as much as digits as its factorization.

123885673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 123885673 is about 11130.3941080269. The cubic root of 123885673 is about 498.5097936492.

The spelling of 123885673 in words is "one hundred twenty-three million, eight hundred eighty-five thousand, six hundred seventy-three".