321455233434 has 16 divisors (see below), whose sum is σ = 660286425888. Its totient is φ = 104255751312.

The previous prime is 321455233361. The next prime is 321455233441. The reversal of 321455233434 is 434332554123.

It is a junction number, because it is equal to n+sod(n) for n = 321455233392 and 321455233401.

It is an unprimeable number.

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, 723998052 + ... + 723998495.

It is an arithmetic number, because the mean of its divisors is an integer number (41267901618).

Almost surely, 2^321455233434 is an apocalyptic number.

321455233434 is an abundant number, since it is smaller than the sum of its proper divisors (338831192454).

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

321455233434 is a wasteful number, since it uses less digits than its factorization.

321455233434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447996589.

The product of its digits is 518400, while the sum is 39.

Adding to 321455233434 its reverse (434332554123), we get a palindrome (755787787557).

The spelling of 321455233434 in words is "three hundred twenty-one billion, four hundred fifty-five million, two hundred thirty-three thousand, four hundred thirty-four".