423003890517 has 16 divisors (see below), whose sum is σ = 607495555968. Its totient is φ = 260264934720.

The previous prime is 423003890503. The next prime is 423003890531. The reversal of 423003890517 is 715098300324.

It is an interprime number because it is at equal distance from previous prime (423003890503) and next prime (423003890531).

It is not a de Polignac number, because 423003890517 - 2⁸ = 423003890261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423003890417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712234 + ... + 1163307.

It is an arithmetic number, because the mean of its divisors is an integer number (37968472248).

Almost surely, 2^423003890517 is an apocalyptic number.

It is an amenable number.

423003890517 is a deficient number, since it is larger than the sum of its proper divisors (184491665451).

423003890517 is a wasteful number, since it uses less digits than its factorization.

423003890517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881340.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 423003890517 in words is "four hundred twenty-three billion, three million, eight hundred ninety thousand, five hundred seventeen".