100321323 has 4 divisors (see below), whose sum is σ = 133761768. Its totient is φ = 66880880.

The previous prime is 100321303. The next prime is 100321327. The reversal of 100321323 is 323123001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323123001 = 3 ⋅107707667.

It is a cyclic number.

It is not a de Polignac number, because 100321323 - 2¹⁰ = 100320299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100321327) 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, 16720218 + ... + 16720223.

It is an arithmetic number, because the mean of its divisors is an integer number (33440442).

Almost surely, 2^100321323 is an apocalyptic number.

100321323 is a deficient number, since it is larger than the sum of its proper divisors (33440445).

100321323 is an equidigital number, since it uses as much as digits as its factorization.

100321323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33440444.

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

The square root of 100321323 is about 10016.0532646347. The cubic root of 100321323 is about 464.6555015739.

Adding to 100321323 its reverse (323123001), we get a palindrome (423444324).

It can be divided in two parts, 1003213 and 23, that added together give a triangular number (1003236 = T₁₄₁₆).

The spelling of 100321323 in words is "one hundred million, three hundred twenty-one thousand, three hundred twenty-three".