423231335609 has 4 divisors (see below), whose sum is σ = 424348041360. Its totient is φ = 422114629860.

The previous prime is 423231335603. The next prime is 423231335651. The reversal of 423231335609 is 906533132324.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423231335609 - 2¹⁶ = 423231270073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423231335603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558352307 + ... + 558353064.

It is an arithmetic number, because the mean of its divisors is an integer number (106087010340).

Almost surely, 2^423231335609 is an apocalyptic number.

It is an amenable number.

423231335609 is a deficient number, since it is larger than the sum of its proper divisors (1116705751).

423231335609 is a wasteful number, since it uses less digits than its factorization.

423231335609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116705750.

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 423231335609 in words is "four hundred twenty-three billion, two hundred thirty-one million, three hundred thirty-five thousand, six hundred nine".