321423054 has 8 divisors (see below), whose sum is σ = 642846120. Its totient is φ = 107141016.

The previous prime is 321423049. The next prime is 321423103. The reversal of 321423054 is 450324123.

It is a sphenic number, since it is the product of 3 distinct primes.

321423054 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26785249 + ... + 26785260.

It is an arithmetic number, because the mean of its divisors is an integer number (80355765).

Almost surely, 2^321423054 is an apocalyptic number.

321423054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321423054 is a wasteful number, since it uses less digits than its factorization.

321423054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53570514.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 321423054 is about 17928.2752656244. The cubic root of 321423054 is about 685.0027911158.

Adding to 321423054 its reverse (450324123), we get a palindrome (771747177).

The spelling of 321423054 in words is "three hundred twenty-one million, four hundred twenty-three thousand, fifty-four".