100232321 has 8 divisors (see below), whose sum is σ = 119531904. Its totient is φ = 82177920.

The previous prime is 100232317. The next prime is 100232339. The reversal of 100232321 is 123232001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100232321 - 2² = 100232317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100232296 and 100232305.

It is not an unprimeable number, because it can be changed into a prime (100232621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311120 + ... + 311441.

It is an arithmetic number, because the mean of its divisors is an integer number (14941488).

Almost surely, 2^100232321 is an apocalyptic number.

It is an amenable number.

100232321 is a deficient number, since it is larger than the sum of its proper divisors (19299583).

100232321 is an equidigital number, since it uses as much as digits as its factorization.

100232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622591.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 100232321 is about 10011.6093111947. The cubic root of 100232321 is about 464.5180515501.

Adding to 100232321 its reverse (123232001), we get a palindrome (223464322).

The spelling of 100232321 in words is "one hundred million, two hundred thirty-two thousand, three hundred twenty-one".