634324923 has 6 divisors (see below), whose sum is σ = 916247124. Its totient is φ = 422883276.

The previous prime is 634324913. The next prime is 634324963. The reversal of 634324923 is 329423436.

It is not a de Polignac number, because 634324923 - 2⁴ = 634324907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634324913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35240265 + ... + 35240282.

It is an arithmetic number, because the mean of its divisors is an integer number (152707854).

Almost surely, 2^634324923 is an apocalyptic number.

634324923 is a deficient number, since it is larger than the sum of its proper divisors (281922201).

634324923 is a wasteful number, since it uses less digits than its factorization.

634324923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70480553 (or 70480550 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 634324923 is about 25185.8079679807. The cubic root of 634324923 is about 859.2191050117.

The spelling of 634324923 in words is "six hundred thirty-four million, three hundred twenty-four thousand, nine hundred twenty-three".