630275123 has 16 divisors (see below), whose sum is σ = 662678016. Its totient is φ = 598842720.

The previous prime is 630275117. The next prime is 630275137. The reversal of 630275123 is 321572036.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630275123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630275143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364940 + ... + 366662.

It is an arithmetic number, because the mean of its divisors is an integer number (41417376).

Almost surely, 2^630275123 is an apocalyptic number.

630275123 is a deficient number, since it is larger than the sum of its proper divisors (32402893).

630275123 is a wasteful number, since it uses less digits than its factorization.

630275123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 630275123 is about 25105.2807791508. The cubic root of 630275123 is about 857.3866597331.

The spelling of 630275123 in words is "six hundred thirty million, two hundred seventy-five thousand, one hundred twenty-three".