323423725347840 has 704 divisors, whose sum is σ = 1168363583202816. Its totient is φ = 75763839664128.

The previous prime is 323423725347797. The next prime is 323423725347923. The reversal of 323423725347840 is 48743527324323.

It is a super-2 number, since 2×323423725347840² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 904571344 + ... + 904928816.

It is an arithmetic number, because the mean of its divisors is an integer number (1659607362504).

Almost surely, 2^{323423725347840} is an apocalyptic number.

323423725347840 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 323423725347840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584181791601408).

323423725347840 is an abundant number, since it is smaller than the sum of its proper divisors (844939857854976).

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

323423725347840 is a wasteful number, since it uses less digits than its factorization.

323423725347840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357734 (or 357716 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 57.

The spelling of 323423725347840 in words is "three hundred twenty-three trillion, four hundred twenty-three billion, seven hundred twenty-five million, three hundred forty-seven thousand, eight hundred forty".