423904394733 has 8 divisors (see below), whose sum is σ = 565290739296. Its totient is φ = 282560490000.

The previous prime is 423904394717. The next prime is 423904394747. The reversal of 423904394733 is 337493409324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423904394733 - 2⁴ = 423904394717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423904394783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10586643 + ... + 10626608.

It is an arithmetic number, because the mean of its divisors is an integer number (70661342412).

Almost surely, 2^423904394733 is an apocalyptic number.

It is an amenable number.

423904394733 is a deficient number, since it is larger than the sum of its proper divisors (141386344563).

423904394733 is a wasteful number, since it uses less digits than its factorization.

423904394733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21219915.

The product of its (nonzero) digits is 5878656, while the sum is 51.

The spelling of 423904394733 in words is "four hundred twenty-three billion, nine hundred four million, three hundred ninety-four thousand, seven hundred thirty-three".