100320233 has 4 divisors (see below), whose sum is σ = 108037188. Its totient is φ = 92603280.

The previous prime is 100320211. The next prime is 100320257. The reversal of 100320233 is 332023001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332023001 = 29 ⋅11449069.

It can be written as a sum of positive squares in 2 ways, for example, as 16908544 + 83411689 = 4112^2 + 9133^2 .

It is a cyclic number.

It is not a de Polignac number, because 100320233 - 2¹² = 100316137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100320263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3858458 + ... + 3858483.

It is an arithmetic number, because the mean of its divisors is an integer number (27009297).

Almost surely, 2^100320233 is an apocalyptic number.

100320233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

100320233 is a deficient number, since it is larger than the sum of its proper divisors (7716955).

100320233 is an equidigital number, since it uses as much as digits as its factorization.

100320233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716954.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 100320233 is about 10015.9988518370. The cubic root of 100320233 is about 464.6538187268.

Adding to 100320233 its reverse (332023001), we get a palindrome (432343234).

The spelling of 100320233 in words is "one hundred million, three hundred twenty thousand, two hundred thirty-three".