2108997323 has 2 divisors, whose sum is σ = 2108997324. Its totient is φ = 2108997322.

The previous prime is 2108997287. The next prime is 2108997329. The reversal of 2108997323 is 3237998012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2108997323 - 2²⁰ = 2107948747 is a prime.

It is not a weakly prime, because it can be changed into another prime (2108997329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054498661 + 1054498662.

It is an arithmetic number, because the mean of its divisors is an integer number (1054498662).

Almost surely, 2^2108997323 is an apocalyptic number.

2108997323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108997323 is an equidigital number, since it uses as much as digits as its factorization.

2108997323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 2108997323 is about 45923.8208667354. The cubic root of 2108997323 is about 1282.4054139769.

The spelling of 2108997323 in words is "two billion, one hundred eight million, nine hundred ninety-seven thousand, three hundred twenty-three".