100323321 has 32 divisors (see below), whose sum is σ = 156776448. Its totient is φ = 55883520.

The previous prime is 100323299. The next prime is 100323359. The reversal of 100323321 is 123323001.

It is not a de Polignac number, because 100323321 - 2⁷ = 100323193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100323321.

It is not an unprimeable number, because it can be changed into a prime (100323361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158676 + ... + 159306.

It is an arithmetic number, because the mean of its divisors is an integer number (4899264).

Almost surely, 2^100323321 is an apocalyptic number.

It is an amenable number.

100323321 is a deficient number, since it is larger than the sum of its proper divisors (56453127).

100323321 is a wasteful number, since it uses less digits than its factorization.

100323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 100323321 is about 10016.1530040231. The cubic root of 100323321 is about 464.6585862472.

Adding to 100323321 its reverse (123323001), we get a palindrome (223646322).

The spelling of 100323321 in words is "one hundred million, three hundred twenty-three thousand, three hundred twenty-one".