2167723 has 2 divisors, whose sum is σ = 2167724. Its totient is φ = 2167722.

The previous prime is 2167717. The next prime is 2167741. The reversal of 2167723 is 3277612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2167723 - 2²¹ = 70571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2167691 and 2167700.

It is not a weakly prime, because it can be changed into another prime (2167703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083861 + 1083862.

It is an arithmetic number, because the mean of its divisors is an integer number (1083862).

2^2167723 is an apocalyptic number.

2167723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2167723 is an equidigital number, since it uses as much as digits as its factorization.

2167723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 28.

The square root of 2167723 is about 1472.3189192563. The cubic root of 2167723 is about 129.4199601802.

The spelling of 2167723 in words is "two million, one hundred sixty-seven thousand, seven hundred twenty-three".