2101202323 has 4 divisors (see below), whose sum is σ = 2292220728. Its totient is φ = 1910183920.

The previous prime is 2101202303. The next prime is 2101202333. The reversal of 2101202323 is 3232021012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101202323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101202297 and 2101202306.

It is not an unprimeable number, because it can be changed into a prime (2101202303) 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, 95509186 + ... + 95509207.

It is an arithmetic number, because the mean of its divisors is an integer number (573055182).

Almost surely, 2^2101202323 is an apocalyptic number.

2101202323 is a deficient number, since it is larger than the sum of its proper divisors (191018405).

2101202323 is a wasteful number, since it uses less digits than its factorization.

2101202323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191018404.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2101202323 is about 45838.8734918301. The cubic root of 2101202323 is about 1280.8235103905.

Adding to 2101202323 its reverse (3232021012), we get a palindrome (5333223335).

The spelling of 2101202323 in words is "two billion, one hundred one million, two hundred two thousand, three hundred twenty-three".