634395323 has 2 divisors, whose sum is σ = 634395324. Its totient is φ = 634395322.

The previous prime is 634395259. The next prime is 634395347. The reversal of 634395323 is 323593436.

634395323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 634395323 - 2⁶ = 634395259 is a prime.

It is not a weakly prime, because it can be changed into another prime (634395373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317197661 + 317197662.

It is an arithmetic number, because the mean of its divisors is an integer number (317197662).

Almost surely, 2^634395323 is an apocalyptic number.

634395323 is a deficient number, since it is larger than the sum of its proper divisors (1).

634395323 is an equidigital number, since it uses as much as digits as its factorization.

634395323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 38.

The square root of 634395323 is about 25187.2055417031. The cubic root of 634395323 is about 859.2508903976.

The spelling of 634395323 in words is "six hundred thirty-four million, three hundred ninety-five thousand, three hundred twenty-three".