423009002721 has 8 divisors (see below), whose sum is σ = 597189180384. Its totient is φ = 265417413440.

The previous prime is 423009002683. The next prime is 423009002753. The reversal of 423009002721 is 127200900324.

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 423009002721 - 2⁹ = 423009002209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423009002771) 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 7 ways as a sum of consecutive naturals, for example, 4147147035 + ... + 4147147136.

It is an arithmetic number, because the mean of its divisors is an integer number (74648647548).

Almost surely, 2^423009002721 is an apocalyptic number.

It is an amenable number.

423009002721 is a deficient number, since it is larger than the sum of its proper divisors (174180177663).

423009002721 is a wasteful number, since it uses less digits than its factorization.

423009002721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8294294191.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 423009002721 in words is "four hundred twenty-three billion, nine million, two thousand, seven hundred twenty-one".