2823903 has 12 divisors (see below), whose sum is σ = 4230408. Its totient is φ = 1882440.

The previous prime is 2823889. The next prime is 2823911. The reversal of 2823903 is 3093282.

It is not a de Polignac number, because 2823903 - 2⁶ = 2823839 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 (2823923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5568 + ... + 6053.

It is an arithmetic number, because the mean of its divisors is an integer number (352534).

2^2823903 is an apocalyptic number.

2823903 is a deficient number, since it is larger than the sum of its proper divisors (1406505).

2823903 is an equidigital number, since it uses as much as digits as its factorization.

2823903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11636 (or 11624 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2823903 is about 1680.4472618919. The cubic root of 2823903 is about 141.3459139201.

Subtracting from 2823903 its sum of digits (27), we obtain a triangular number (2823876 = T₂₃₇₆).

The spelling of 2823903 in words is "two million, eight hundred twenty-three thousand, nine hundred three".