663423034 has 8 divisors (see below), whose sum is σ = 995888448. Its totient is φ = 331460220.

The previous prime is 663422957. The next prime is 663423037. The reversal of 663423034 is 430324366.

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

It is a junction number, because it is equal to n+sod(n) for n = 663422987 and 663423005.

It is not an unprimeable number, because it can be changed into a prime (663423037) 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 3 ways as a sum of consecutive naturals, for example, 122332 + ... + 127639.

It is an arithmetic number, because the mean of its divisors is an integer number (124486056).

Almost surely, 2^663423034 is an apocalyptic number.

663423034 is a deficient number, since it is larger than the sum of its proper divisors (332465414).

663423034 is a wasteful number, since it uses less digits than its factorization.

663423034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251300.

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

The square root of 663423034 is about 25756.9997088170. Note that the first 3 decimals coincide. The cubic root of 663423034 is about 872.1613736706.

The spelling of 663423034 in words is "six hundred sixty-three million, four hundred twenty-three thousand, thirty-four".