323305642 has 16 divisors (see below), whose sum is σ = 533088864. Its totient is φ = 145834000.

The previous prime is 323305627. The next prime is 323305649. The reversal of 323305642 is 246503323.

It is a self number, because there is not a number n which added to its sum of digits gives 323305642.

It is not an unprimeable number, because it can be changed into a prime (323305649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53209 + ... + 58972.

It is an arithmetic number, because the mean of its divisors is an integer number (33318054).

Almost surely, 2^323305642 is an apocalyptic number.

323305642 is a deficient number, since it is larger than the sum of its proper divisors (209783222).

323305642 is a wasteful number, since it uses less digits than its factorization.

323305642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112325.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 323305642 is about 17980.7019329057. The cubic root of 323305642 is about 686.3375517221.

Adding to 323305642 its reverse (246503323), we get a palindrome (569808965).

The spelling of 323305642 in words is "three hundred twenty-three million, three hundred five thousand, six hundred forty-two".