323354505420 has 288 divisors, whose sum is σ = 1140733601280. Its totient is φ = 73541191680.

The previous prime is 323354505329. The next prime is 323354505427. The reversal of 323354505420 is 24505453323.

323354505420 is a `hidden beast` number, since 32 + 3 + 35 + 4 + 50 + 542 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (323354505427) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1216315 + ... + 1458125.

It is an arithmetic number, because the mean of its divisors is an integer number (3960880560).

Almost surely, 2^323354505420 is an apocalyptic number.

323354505420 is a gapful number since it is divisible by the number (30) 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 323354505420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570366800640).

323354505420 is an abundant number, since it is smaller than the sum of its proper divisors (817379095860).

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

323354505420 is a wasteful number, since it uses less digits than its factorization.

323354505420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241885 (or 241880 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 323354505420 its reverse (24505453323), we get a palindrome (347859958743).

The spelling of 323354505420 in words is "three hundred twenty-three billion, three hundred fifty-four million, five hundred five thousand, four hundred twenty".