423904394732 has 36 divisors (see below), whose sum is σ = 918041480496. Its totient is φ = 167698440000.

The previous prime is 423904394717. The next prime is 423904394747. The reversal of 423904394732 is 237493409324.

It is an interprime number because it is at equal distance from previous prime (423904394717) and next prime (423904394747).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 44786519 + ... + 44795982.

It is an arithmetic number, because the mean of its divisors is an integer number (25501152236).

Almost surely, 2^423904394732 is an apocalyptic number.

It is an amenable number.

423904394732 is an abundant number, since it is smaller than the sum of its proper divisors (494137085764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423904394732 is a wasteful number, since it uses less digits than its factorization.

423904394732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89582538 (or 89582523 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 50.

The spelling of 423904394732 in words is "four hundred twenty-three billion, nine hundred four million, three hundred ninety-four thousand, seven hundred thirty-two".