675745123 has 2 divisors, whose sum is σ = 675745124. Its totient is φ = 675745122.

The previous prime is 675745111. The next prime is 675745141. The reversal of 675745123 is 321547576.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 675745123 - 2¹³ = 675736931 is a prime.

It is a super-3 number, since 3×675745123³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (675745193) 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, 337872561 + 337872562.

It is an arithmetic number, because the mean of its divisors is an integer number (337872562).

Almost surely, 2^675745123 is an apocalyptic number.

675745123 is a deficient number, since it is larger than the sum of its proper divisors (1).

675745123 is an equidigital number, since it uses as much as digits as its factorization.

675745123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 40.

The square root of 675745123 is about 25995.0980571338. The cubic root of 675745123 is about 877.5279809694.

The spelling of 675745123 in words is "six hundred seventy-five million, seven hundred forty-five thousand, one hundred twenty-three".