2101445323 has 2 divisors, whose sum is σ = 2101445324. Its totient is φ = 2101445322.

The previous prime is 2101445321. The next prime is 2101445351. The reversal of 2101445323 is 3235441012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101445323 - 2¹ = 2101445321 is a prime.

Together with 2101445321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2101445321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050722661 + 1050722662.

It is an arithmetic number, because the mean of its divisors is an integer number (1050722662).

Almost surely, 2^2101445323 is an apocalyptic number.

2101445323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101445323 is an equidigital number, since it uses as much as digits as its factorization.

2101445323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2101445323 is about 45841.5240038985. The cubic root of 2101445323 is about 1280.8728834109.

Adding to 2101445323 its reverse (3235441012), we get a palindrome (5336886335).

The spelling of 2101445323 in words is "two billion, one hundred one million, four hundred forty-five thousand, three hundred twenty-three".