2108905523 has 2 divisors, whose sum is σ = 2108905524. Its totient is φ = 2108905522.

The previous prime is 2108905511. The next prime is 2108905537. The reversal of 2108905523 is 3255098012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2108905523 - 2⁴ = 2108905507 is a prime.

It is not a weakly prime, because it can be changed into another prime (2108905423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054452761 + 1054452762.

It is an arithmetic number, because the mean of its divisors is an integer number (1054452762).

Almost surely, 2^2108905523 is an apocalyptic number.

2108905523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108905523 is an equidigital number, since it uses as much as digits as its factorization.

2108905523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2108905523 is about 45922.8213745628. The cubic root of 2108905523 is about 1282.3868069476.

The spelling of 2108905523 in words is "two billion, one hundred eight million, nine hundred five thousand, five hundred twenty-three".