423995664432 has 80 divisors (see below), whose sum is σ = 1101304512000. Its totient is φ = 140560525056.

The previous prime is 423995664353. The next prime is 423995664517. The reversal of 423995664432 is 234466599324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30280569 + ... + 30294567.

It is an arithmetic number, because the mean of its divisors is an integer number (13766306400).

Almost surely, 2^423995664432 is an apocalyptic number.

It is an amenable number.

423995664432 is an abundant number, since it is smaller than the sum of its proper divisors (677308847568).

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

423995664432 is a wasteful number, since it uses less digits than its factorization.

423995664432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17410 (or 17404 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 57.

The spelling of 423995664432 in words is "four hundred twenty-three billion, nine hundred ninety-five million, six hundred sixty-four thousand, four hundred thirty-two".