323403552 has 72 divisors (see below), whose sum is σ = 959684544. Its totient is φ = 103112064.

The previous prime is 323403539. The next prime is 323403557. The reversal of 323403552 is 255304323.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (323403557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17788 + ... + 31035.

It is an arithmetic number, because the mean of its divisors is an integer number (13328952).

Almost surely, 2^323403552 is an apocalyptic number.

323403552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

323403552 is an abundant number, since it is smaller than the sum of its proper divisors (636280992).

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

323403552 is a wasteful number, since it uses less digits than its factorization.

323403552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48862 (or 48851 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 323403552 is about 17983.4243680118. The cubic root of 323403552 is about 686.4068283018.

Adding to 323403552 its reverse (255304323), we get a palindrome (578707875).

The spelling of 323403552 in words is "three hundred twenty-three million, four hundred three thousand, five hundred fifty-two".