2523303 has 12 divisors (see below), whose sum is σ = 3662568. Its totient is φ = 1674000.

The previous prime is 2523251. The next prime is 2523317. The reversal of 2523303 is 3033252.

It is not a de Polignac number, because 2523303 - 2⁸ = 2523047 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523343) 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, 1701 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (305214).

2^2523303 is an apocalyptic number.

2523303 is a deficient number, since it is larger than the sum of its proper divisors (1139265).

2523303 is a wasteful number, since it uses less digits than its factorization.

2523303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 2523303 is about 1588.4907931745. The cubic root of 2523303 is about 136.1412711668.

Adding to 2523303 its reverse (3033252), we get a palindrome (5556555).

The spelling of 2523303 in words is "two million, five hundred twenty-three thousand, three hundred three".