323051330432 has 64 divisors (see below), whose sum is σ = 654040593360. Its totient is φ = 158916157440.

The previous prime is 323051330423. The next prime is 323051330447. The reversal of 323051330432 is 234033150323.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 323051330395 and 323051330404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497298 + ... + 2623470.

Almost surely, 2^323051330432 is an apocalyptic number.

323051330432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323051330432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327020296680).

323051330432 is an abundant number, since it is smaller than the sum of its proper divisors (330989262928).

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

323051330432 is a wasteful number, since it uses less digits than its factorization.

323051330432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126511 (or 126499 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 29.

Adding to 323051330432 its reverse (234033150323), we get a palindrome (557084480755).

The spelling of 323051330432 in words is "three hundred twenty-three billion, fifty-one million, three hundred thirty thousand, four hundred thirty-two".