2071823 has 16 divisors (see below), whose sum is σ = 2370816. Its totient is φ = 1797120.

The previous prime is 2071819. The next prime is 2071837. The reversal of 2071823 is 3281702.

It is not a de Polignac number, because 2071823 - 2² = 2071819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21311 + ... + 21407.

It is an arithmetic number, because the mean of its divisors is an integer number (148176).

2^2071823 is an apocalyptic number.

2071823 is a deficient number, since it is larger than the sum of its proper divisors (298993).

2071823 is a wasteful number, since it uses less digits than its factorization.

2071823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194.

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

The square root of 2071823 is about 1439.3828538648. The cubic root of 2071823 is about 127.4825914973.

The spelling of 2071823 in words is "two million, seventy-one thousand, eight hundred twenty-three".