423743306809 has 8 divisors (see below), whose sum is σ = 430045811712. Its totient is φ = 417454256160.

The previous prime is 423743306741. The next prime is 423743306813. The reversal of 423743306809 is 908603347324.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 423743306809 - 2²⁷ = 423609089081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423743306209) 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, 3300097 + ... + 3426094.

It is an arithmetic number, because the mean of its divisors is an integer number (53755726464).

Almost surely, 2^423743306809 is an apocalyptic number.

It is an amenable number.

423743306809 is a deficient number, since it is larger than the sum of its proper divisors (6302504903).

423743306809 is an equidigital number, since it uses as much as digits as its factorization.

423743306809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727127.

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 423743306809 in words is "four hundred twenty-three billion, seven hundred forty-three million, three hundred six thousand, eight hundred nine".