423430003959 has 16 divisors (see below), whose sum is σ = 567213115392. Its totient is φ = 280969793568.

The previous prime is 423430003907. The next prime is 423430003961. The reversal of 423430003959 is 959300034324.

It is not a de Polignac number, because 423430003959 - 2¹⁶ = 423429938423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423430003959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423430003459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186714 + ... + 939000.

It is an arithmetic number, because the mean of its divisors is an integer number (35450819712).

Almost surely, 2^423430003959 is an apocalyptic number.

423430003959 is a deficient number, since it is larger than the sum of its proper divisors (143783111433).

423430003959 is a wasteful number, since it uses less digits than its factorization.

423430003959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753166.

The product of its (nonzero) digits is 349920, while the sum is 42.

The spelling of 423430003959 in words is "four hundred twenty-three billion, four hundred thirty million, three thousand, nine hundred fifty-nine".