2101560323 has 2 divisors, whose sum is σ = 2101560324. Its totient is φ = 2101560322.

The previous prime is 2101560319. The next prime is 2101560337. The reversal of 2101560323 is 3230651012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101560323 - 2² = 2101560319 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101563323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050780161 + 1050780162.

It is an arithmetic number, because the mean of its divisors is an integer number (1050780162).

Almost surely, 2^2101560323 is an apocalyptic number.

2101560323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101560323 is an equidigital number, since it uses as much as digits as its factorization.

2101560323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2101560323 is about 45842.7783080389. The cubic root of 2101560323 is about 1280.8962479168.

The spelling of 2101560323 in words is "two billion, one hundred one million, five hundred sixty thousand, three hundred twenty-three".