2026823 has 4 divisors (see below), whose sum is σ = 2081640. Its totient is φ = 1972008.

The previous prime is 2026819. The next prime is 2026831. The reversal of 2026823 is 3286202.

Added to its reverse (3286202) it gives a square (5313025 = 2305²).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2026823 - 2² = 2026819 is a prime.

It is a super-2 number, since 2×2026823² = 8216022946658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27353 + ... + 27426.

It is an arithmetic number, because the mean of its divisors is an integer number (520410).

2^2026823 is an apocalyptic number.

2026823 is a deficient number, since it is larger than the sum of its proper divisors (54817).

2026823 is an equidigital number, since it uses as much as digits as its factorization.

2026823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54816.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2026823 is about 1423.6653398886. The cubic root of 2026823 is about 126.5528532911.

Adding to 2026823 its reverse (3286202), we get a square (5313025 = 2305²).

The spelling of 2026823 in words is "two million, twenty-six thousand, eight hundred twenty-three".