2146723 has 2 divisors, whose sum is σ = 2146724. Its totient is φ = 2146722.

The previous prime is 2146693. The next prime is 2146733. The reversal of 2146723 is 3276412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2146723 - 2⁵ = 2146691 is a prime.

It is a super-3 number, since 3×2146723³ = 29679001296333705201, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 1 + 4⁴ + 6⁶ + 7³ + 2²¹ + 3⁷ .

It is not a weakly prime, because it can be changed into another prime (2146733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073361 + 1073362.

It is an arithmetic number, because the mean of its divisors is an integer number (1073362).

2^2146723 is an apocalyptic number.

2146723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146723 is an equidigital number, since it uses as much as digits as its factorization.

2146723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 2146723 is about 1465.1699560119. The cubic root of 2146723 is about 129.0006810452. Note that the first 3 decimals are identical.

The spelling of 2146723 in words is "two million, one hundred forty-six thousand, seven hundred twenty-three".