423442432209 has 8 divisors (see below), whose sum is σ = 575242549632. Its totient is φ = 276968634800.

The previous prime is 423442432157. The next prime is 423442432247. The reversal of 423442432209 is 902234244324.

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 423442432209 - 2²⁹ = 422905561297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423442432709) 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, 1331579817 + ... + 1331580134.

It is an arithmetic number, because the mean of its divisors is an integer number (71905318704).

Almost surely, 2^423442432209 is an apocalyptic number.

It is an amenable number.

423442432209 is a deficient number, since it is larger than the sum of its proper divisors (151800117423).

423442432209 is a wasteful number, since it uses less digits than its factorization.

423442432209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663160007.

The product of its (nonzero) digits is 331776, while the sum is 39.

The spelling of 423442432209 in words is "four hundred twenty-three billion, four hundred forty-two million, four hundred thirty-two thousand, two hundred nine".