323625632 has 144 divisors (see below), whose sum is σ = 760142880. Its totient is φ = 135083520.

The previous prime is 323625629. The next prime is 323625637. The reversal of 323625632 is 236526323.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (323625637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3899063 + ... + 3899145.

It is an arithmetic number, because the mean of its divisors is an integer number (5278770).

Almost surely, 2^323625632 is an apocalyptic number.

323625632 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 323625632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380071440).

323625632 is an abundant number, since it is smaller than the sum of its proper divisors (436517248).

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

323625632 is a wasteful number, since it uses less digits than its factorization.

323625632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 168 counting only the distinct ones).

The product of its digits is 38880, while the sum is 32.

The square root of 323625632 is about 17989.5978832213. The cubic root of 323625632 is about 686.5639100120.

The spelling of 323625632 in words is "three hundred twenty-three million, six hundred twenty-five thousand, six hundred thirty-two".