323478144 has 256 divisors, whose sum is σ = 1065369600. Its totient is φ = 95800320.

The previous prime is 323478139. The next prime is 323478163. The reversal of 323478144 is 441874323.

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

It is a junction number, because it is equal to n+sod(n) for n = 323478099 and 323478108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2547009 + ... + 2547135.

It is an arithmetic number, because the mean of its divisors is an integer number (4161600).

Almost surely, 2^323478144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323478144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532684800).

323478144 is an abundant number, since it is smaller than the sum of its proper divisors (741891456).

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

323478144 is a wasteful number, since it uses less digits than its factorization.

323478144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 210 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 323478144 is about 17985.4981582385. The cubic root of 323478144 is about 686.4595967619.

The spelling of 323478144 in words is "three hundred twenty-three million, four hundred seventy-eight thousand, one hundred forty-four".