423383657321 has 4 divisors (see below), whose sum is σ = 423385899600. Its totient is φ = 423381415044.

The previous prime is 423383657303. The next prime is 423383657351. The reversal of 423383657321 is 123756383324.

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 423383657321 - 2¹⁸ = 423383395177 is a prime.

It is a super-4 number, since 4×423383657321⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423383657351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808931 + ... + 1225208.

It is an arithmetic number, because the mean of its divisors is an integer number (105846474900).

Almost surely, 2^423383657321 is an apocalyptic number.

It is an amenable number.

423383657321 is a deficient number, since it is larger than the sum of its proper divisors (2242279).

423383657321 is a wasteful number, since it uses less digits than its factorization.

423383657321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242278.

The product of its digits is 2177280, while the sum is 47.

The spelling of 423383657321 in words is "four hundred twenty-three billion, three hundred eighty-three million, six hundred fifty-seven thousand, three hundred twenty-one".