663046423 has 8 divisors (see below), whose sum is σ = 714925008. Its totient is φ = 611292864.

The previous prime is 663046409. The next prime is 663046441. The reversal of 663046423 is 324640366.

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

It is a de Polignac number, because none of the positive numbers 2^k-663046423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663046403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20086 + ... + 41587.

It is an arithmetic number, because the mean of its divisors is an integer number (89365626).

Almost surely, 2^663046423 is an apocalyptic number.

663046423 is a deficient number, since it is larger than the sum of its proper divisors (51878585).

663046423 is a wasteful number, since it uses less digits than its factorization.

663046423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62513.

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 663046423 is about 25749.6878233504. The cubic root of 663046423 is about 871.9963066750.

Adding to 663046423 its reverse (324640366), we get a palindrome (987686789).

It can be divided in two parts, 66304 and 6423, that added together give a palindrome (72727).

The spelling of 663046423 in words is "six hundred sixty-three million, forty-six thousand, four hundred twenty-three".