630123195 has 16 divisors (see below), whose sum is σ = 1085751072. Its totient is φ = 310214400.

The previous prime is 630123187. The next prime is 630123211. The reversal of 630123195 is 591321036.

It is not a de Polignac number, because 630123195 - 2³ = 630123187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615506 + ... + 1615895.

It is an arithmetic number, because the mean of its divisors is an integer number (67859442).

Almost surely, 2^630123195 is an apocalyptic number.

630123195 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

630123195 is a deficient number, since it is larger than the sum of its proper divisors (455627877).

630123195 is a wasteful number, since it uses less digits than its factorization.

630123195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231422.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 630123195 is about 25102.2547792026. The cubic root of 630123195 is about 857.3177630965.

The spelling of 630123195 in words is "six hundred thirty million, one hundred twenty-three thousand, one hundred ninety-five".