2100434323 has 4 divisors (see below), whose sum is σ = 2262006208. Its totient is φ = 1938862440.

The previous prime is 2100434321. The next prime is 2100434327. The reversal of 2100434323 is 3234340012.

It is a happy number.

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 2100434323 - 2¹ = 2100434321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100434294 and 2100434303.

It is not an unprimeable number, because it can be changed into a prime (2100434321) 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, 80785923 + ... + 80785948.

It is an arithmetic number, because the mean of its divisors is an integer number (565501552).

Almost surely, 2^2100434323 is an apocalyptic number.

2100434323 is a deficient number, since it is larger than the sum of its proper divisors (161571885).

2100434323 is a wasteful number, since it uses less digits than its factorization.

2100434323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161571884.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2100434323 is about 45830.4955569979. The cubic root of 2100434323 is about 1280.6674422328.

Adding to 2100434323 its reverse (3234340012), we get a palindrome (5334774335).

The spelling of 2100434323 in words is "two billion, one hundred million, four hundred thirty-four thousand, three hundred twenty-three".