2101203303323 has 4 divisors (see below), whose sum is σ = 2101234379208. Its totient is φ = 2101172227440.

The previous prime is 2101203303319. The next prime is 2101203303379. The reversal of 2101203303323 is 3233033021012.

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 2101203303323 - 2² = 2101203303319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101203303223) 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, 15436298 + ... + 15571823.

It is an arithmetic number, because the mean of its divisors is an integer number (525308594802).

Almost surely, 2^{2101203303323} is an apocalyptic number.

2101203303323 is a deficient number, since it is larger than the sum of its proper divisors (31075885).

2101203303323 is an equidigital number, since it uses as much as digits as its factorization.

2101203303323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31075884.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 2101203303323 its reverse (3233033021012), we get a palindrome (5334236324335).

The spelling of 2101203303323 in words is "two trillion, one hundred one billion, two hundred three million, three hundred three thousand, three hundred twenty-three".