2100323023103 has 4 divisors (see below), whose sum is σ = 2100345736800. Its totient is φ = 2100300309408.

The previous prime is 2100323023079. The next prime is 2100323023121. The reversal of 2100323023103 is 3013203230012.

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 2100323023103 - 2¹⁰ = 2100323022079 is a prime.

It is a super-2 number, since 2×2100323023103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100323026103) 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, 11217575 + ... + 11403272.

It is an arithmetic number, because the mean of its divisors is an integer number (525086434200).

Almost surely, 2^{2100323023103} is an apocalyptic number.

2100323023103 is a deficient number, since it is larger than the sum of its proper divisors (22713697).

2100323023103 is an equidigital number, since it uses as much as digits as its factorization.

2100323023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22713696.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2100323023103 its reverse (3013203230012), we get a palindrome (5113526253115).

The spelling of 2100323023103 in words is "two trillion, one hundred billion, three hundred twenty-three million, twenty-three thousand, one hundred three".