323400672 has 144 divisors (see below), whose sum is σ = 1106501760. Its totient is φ = 87526656.

The previous prime is 323400667. The next prime is 323400713. The reversal of 323400672 is 276004323.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34083 + ... + 42525.

It is an arithmetic number, because the mean of its divisors is an integer number (7684040).

Almost surely, 2^323400672 is an apocalyptic number.

323400672 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 323400672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553250880).

323400672 is an abundant number, since it is smaller than the sum of its proper divisors (783101088).

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

323400672 is a wasteful number, since it uses less digits than its factorization.

323400672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485 (or 8474 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 323400672 is about 17983.3442940961. The cubic root of 323400672 is about 686.4047907469.

Adding to 323400672 its reverse (276004323), we get a palindrome (599404995).

The spelling of 323400672 in words is "three hundred twenty-three million, four hundred thousand, six hundred seventy-two".