423559513990 has 64 divisors (see below), whose sum is σ = 778059486720. Its totient is φ = 165969699840.

The previous prime is 423559513969. The next prime is 423559514039. The reversal of 423559513990 is 99315955324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197646859 + ... + 197649001.

It is an arithmetic number, because the mean of its divisors is an integer number (12157179480).

Almost surely, 2^423559513990 is an apocalyptic number.

423559513990 is a deficient number, since it is larger than the sum of its proper divisors (354499972730).

423559513990 is a wasteful number, since it uses less digits than its factorization.

423559513990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377.

The product of its (nonzero) digits is 6561000, while the sum is 55.

The spelling of 423559513990 in words is "four hundred twenty-three billion, five hundred fifty-nine million, five hundred thirteen thousand, nine hundred ninety".