321423040302 has 32 divisors (see below), whose sum is σ = 791195177472. Its totient is φ = 84770911584.

The previous prime is 321423040249. The next prime is 321423040321. The reversal of 321423040302 is 203040324123.

It is a super-3 number, since 3×321423040302³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294342898 + ... + 294343989.

It is an arithmetic number, because the mean of its divisors is an integer number (24724849296).

Almost surely, 2^321423040302 is an apocalyptic number.

321423040302 is an abundant number, since it is smaller than the sum of its proper divisors (469772137170).

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

321423040302 is a wasteful number, since it uses less digits than its factorization.

321423040302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588686912.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 321423040302 its reverse (203040324123), we get a palindrome (524463364425).

The spelling of 321423040302 in words is "three hundred twenty-one billion, four hundred twenty-three million, forty thousand, three hundred two".