630560123 has 2 divisors, whose sum is σ = 630560124. Its totient is φ = 630560122.

The previous prime is 630560101. The next prime is 630560149. The reversal of 630560123 is 321065036.

It is an a-pointer prime, because the next prime (630560149) can be obtained adding 630560123 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630560123 - 2⁶ = 630560059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630560092 and 630560101.

It is not a weakly prime, because it can be changed into another prime (630560323) 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, 315280061 + 315280062.

It is an arithmetic number, because the mean of its divisors is an integer number (315280062).

Almost surely, 2^630560123 is an apocalyptic number.

630560123 is a deficient number, since it is larger than the sum of its proper divisors (1).

630560123 is an equidigital number, since it uses as much as digits as its factorization.

630560123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 630560123 is about 25110.9562342815. The cubic root of 630560123 is about 857.5158722876.

The spelling of 630560123 in words is "six hundred thirty million, five hundred sixty thousand, one hundred twenty-three".