2817423 has 20 divisors (see below), whose sum is σ = 4810960. Its totient is φ = 1609632.

The previous prime is 2817421. The next prime is 2817433. The reversal of 2817423 is 3247182.

It is not a de Polignac number, because 2817423 - 2¹ = 2817421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2817421) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1918 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (240548).

2^2817423 is an apocalyptic number.

2817423 is a deficient number, since it is larger than the sum of its proper divisors (1993537).

2817423 is an equidigital number, since it uses as much as digits as its factorization.

2817423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988 (or 4979 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2817423 is about 1678.5180964172. The cubic root of 2817423 is about 141.2377157981.

It can be divided in two parts, 2817 and 423, that added together give a triangular number (3240 = T₈₀).

The spelling of 2817423 in words is "two million, eight hundred seventeen thousand, four hundred twenty-three".