2100203323 has 4 divisors (see below), whose sum is σ = 2210740360. Its totient is φ = 1989666288.

The previous prime is 2100203321. The next prime is 2100203327. The reversal of 2100203323 is 3233020012.

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 2100203323 - 2¹ = 2100203321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100203297 and 2100203306.

It is not an unprimeable number, because it can be changed into a prime (2100203321) 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, 55268490 + ... + 55268527.

It is an arithmetic number, because the mean of its divisors is an integer number (552685090).

Almost surely, 2^2100203323 is an apocalyptic number.

2100203323 is a deficient number, since it is larger than the sum of its proper divisors (110537037).

2100203323 is a wasteful number, since it uses less digits than its factorization.

2100203323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110537036.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2100203323 is about 45827.9753316683. The cubic root of 2100203323 is about 1280.6204924153.

Adding to 2100203323 its reverse (3233020012), we get a palindrome (5333223335).

The spelling of 2100203323 in words is "two billion, one hundred million, two hundred three thousand, three hundred twenty-three".