2120101323 has 4 divisors (see below), whose sum is σ = 2826801768. Its totient is φ = 1413400880.

The previous prime is 2120101279. The next prime is 2120101343. The reversal of 2120101323 is 3231010212.

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-2120101323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120101343) 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, 353350218 + ... + 353350223.

It is an arithmetic number, because the mean of its divisors is an integer number (706700442).

Almost surely, 2^2120101323 is an apocalyptic number.

2120101323 is a deficient number, since it is larger than the sum of its proper divisors (706700445).

2120101323 is an equidigital number, since it uses as much as digits as its factorization.

2120101323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706700444.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2120101323 is about 46044.5580172076. The cubic root of 2120101323 is about 1284.6521232250.

Adding to 2120101323 its reverse (3231010212), we get a palindrome (5351111535).

The spelling of 2120101323 in words is "two billion, one hundred twenty million, one hundred one thousand, three hundred twenty-three".