2209675723 has 2 divisors, whose sum is σ = 2209675724. Its totient is φ = 2209675722.

The previous prime is 2209675679. The next prime is 2209675807. The reversal of 2209675723 is 3275769022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2209675723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2209675723.

It is not a weakly prime, because it can be changed into another prime (2209675123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104837861 + 1104837862.

It is an arithmetic number, because the mean of its divisors is an integer number (1104837862).

Almost surely, 2^2209675723 is an apocalyptic number.

2209675723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209675723 is an equidigital number, since it uses as much as digits as its factorization.

2209675723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 2209675723 is about 47007.1879929017. The cubic root of 2209675723 is about 1302.4953497156.

The spelling of 2209675723 in words is "two billion, two hundred nine million, six hundred seventy-five thousand, seven hundred twenty-three".