2108723 has 2 divisors, whose sum is σ = 2108724. Its totient is φ = 2108722.

The previous prime is 2108699. The next prime is 2108737. The reversal of 2108723 is 3278012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2108723 - 2¹⁶ = 2043187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2108773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054361 + 1054362.

It is an arithmetic number, because the mean of its divisors is an integer number (1054362).

2^2108723 is an apocalyptic number.

2108723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108723 is an equidigital number, since it uses as much as digits as its factorization.

2108723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2108723 is about 1452.1442765786. The cubic root of 2108723 is about 128.2349809583.

The spelling of 2108723 in words is "two million, one hundred eight thousand, seven hundred twenty-three".