423505321 has 8 divisors (see below), whose sum is σ = 428255744. Its totient is φ = 418780800.

The previous prime is 423505301. The next prime is 423505337. The reversal of 423505321 is 123505324.

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 423505321 - 2¹¹ = 423503273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423505301) 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, 27385 + ... + 39961.

It is an arithmetic number, because the mean of its divisors is an integer number (53531968).

Almost surely, 2^423505321 is an apocalyptic number.

It is an amenable number.

423505321 is a deficient number, since it is larger than the sum of its proper divisors (4750423).

423505321 is a wasteful number, since it uses less digits than its factorization.

423505321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12951.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 423505321 is about 20579.2449084023. The cubic root of 423505321 is about 750.9648743059.

The spelling of 423505321 in words is "four hundred twenty-three million, five hundred five thousand, three hundred twenty-one".