321023042 has 8 divisors (see below), whose sum is σ = 497068032. Its totient is φ = 155333700.

The previous prime is 321023039. The next prime is 321023119. The reversal of 321023042 is 240320123.

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

It is a self number, because there is not a number n which added to its sum of digits gives 321023042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2588834 + ... + 2588957.

It is an arithmetic number, because the mean of its divisors is an integer number (62133504).

Almost surely, 2^321023042 is an apocalyptic number.

321023042 is a deficient number, since it is larger than the sum of its proper divisors (176044990).

321023042 is a wasteful number, since it uses less digits than its factorization.

321023042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177824.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 321023042 is about 17917.1158951434. The cubic root of 321023042 is about 684.7185104456.

Adding to 321023042 its reverse (240320123), we get a palindrome (561343165).

The spelling of 321023042 in words is "three hundred twenty-one million, twenty-three thousand, forty-two".