634423603 has 8 divisors (see below), whose sum is σ = 702429120. Its totient is φ = 568139880.

The previous prime is 634423597. The next prime is 634423609. The reversal of 634423603 is 306324436.

It is an interprime number because it is at equal distance from previous prime (634423597) and next prime (634423609).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 634423603 - 2¹⁷ = 634292531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634423609) 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 in 7 ways as a sum of consecutive naturals, for example, 429673 + ... + 431146.

It is an arithmetic number, because the mean of its divisors is an integer number (87803640).

Almost surely, 2^634423603 is an apocalyptic number.

634423603 is a deficient number, since it is larger than the sum of its proper divisors (68005517).

634423603 is a wasteful number, since it uses less digits than its factorization.

634423603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860897.

The product of its (nonzero) digits is 31104, while the sum is 31.

The square root of 634423603 is about 25187.7669315880. The cubic root of 634423603 is about 859.2636580695.

The spelling of 634423603 in words is "six hundred thirty-four million, four hundred twenty-three thousand, six hundred three".