100323231 has 4 divisors (see below), whose sum is σ = 133764312. Its totient is φ = 66882152.

The previous prime is 100323229. The next prime is 100323241. The reversal of 100323231 is 132323001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100323231 - 2¹ = 100323229 is a prime.

It is a super-2 number, since 2×100323231² = 20129501356558722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100323231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100323221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16720536 + ... + 16720541.

It is an arithmetic number, because the mean of its divisors is an integer number (33441078).

Almost surely, 2^100323231 is an apocalyptic number.

100323231 is a deficient number, since it is larger than the sum of its proper divisors (33441081).

100323231 is an equidigital number, since it uses as much as digits as its factorization.

100323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33441080.

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

The square root of 100323231 is about 10016.1485112792. The cubic root of 100323231 is about 464.6584472989.

Adding to 100323231 its reverse (132323001), we get a palindrome (232646232).

The spelling of 100323231 in words is "one hundred million, three hundred twenty-three thousand, two hundred thirty-one".