2697823 has 2 divisors, whose sum is σ = 2697824. Its totient is φ = 2697822.

The previous prime is 2697809. The next prime is 2697853. The reversal of 2697823 is 3287962.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2697823 is a prime.

It is a d-powerful number, because it can be written as 2 + 6⁷ + 9 + 7⁷ + 8 + 2 + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2697803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1348911 + 1348912.

It is an arithmetic number, because the mean of its divisors is an integer number (1348912).

2^2697823 is an apocalyptic number.

2697823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2697823 is an equidigital number, since it uses as much as digits as its factorization.

2697823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 2697823 is about 1642.5050989266. The cubic root of 2697823 is about 139.2102299865.

The spelling of 2697823 in words is "two million, six hundred ninety-seven thousand, eight hundred twenty-three".