2120005323 has 12 divisors (see below), whose sum is σ = 3066417120. Its totient is φ = 1411404336.

The previous prime is 2120005319. The next prime is 2120005331. The reversal of 2120005323 is 3235000212.

It is not a de Polignac number, because 2120005323 - 2² = 2120005319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120005296 and 2120005305.

It is not an unprimeable number, because it can be changed into a prime (2120003323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154083 + ... + 167276.

It is an arithmetic number, because the mean of its divisors is an integer number (255534760).

Almost surely, 2^2120005323 is an apocalyptic number.

2120005323 is a deficient number, since it is larger than the sum of its proper divisors (946411797).

2120005323 is a wasteful number, since it uses less digits than its factorization.

2120005323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322098 (or 322095 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2120005323 is about 46043.5155369353. The cubic root of 2120005323 is about 1284.6327328836.

Adding to 2120005323 its reverse (3235000212), we get a palindrome (5355005535).

The spelling of 2120005323 in words is "two billion, one hundred twenty million, five thousand, three hundred twenty-three".