321243012354 has 64 divisors (see below), whose sum is σ = 737887772160. Its totient is φ = 92209777920.

The previous prime is 321243012353. The next prime is 321243012359. The reversal of 321243012354 is 453210342123.

It is not an unprimeable number, because it can be changed into a prime (321243012353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11958522 + ... + 11985354.

It is an arithmetic number, because the mean of its divisors is an integer number (11529496440).

Almost surely, 2^321243012354 is an apocalyptic number.

321243012354 is an abundant number, since it is smaller than the sum of its proper divisors (416644759806).

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

321243012354 is a wasteful number, since it uses less digits than its factorization.

321243012354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36415.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 321243012354 its reverse (453210342123), we get a palindrome (774453354477).

The spelling of 321243012354 in words is "three hundred twenty-one billion, two hundred forty-three million, twelve thousand, three hundred fifty-four".